A31G213CL2N

ABOV Semicon · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

A31G213CL2N from ABOV Semicon, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	PA5	bidirectional	Port A bit 5 general-purpose I/O (selected function after reset); alternates are Timer 12 output/clock-capture, analog input AN5, touch input CS0 and LED common COM12.
2	PA6	bidirectional	Port A bit 6 general-purpose I/O (selected function after reset); alternates are Timer 11 output/clock-capture, analog input AN6, touch input CS1 and LED common COM11.
3	PA7	bidirectional	Port A bit 7 general-purpose I/O (selected function after reset); alternates are Timer 13 output/clock-capture, analog input AN7, DAC output DAO, touch input CS2 and LED common COM10.
4	PB0	bidirectional	Port B bit 0 general-purpose I/O; alternates are UART10 TXD, SPI10 MOSI, analog input AN8, touch input CS8 and LED common COM9.
5	PB1	bidirectional	Port B bit 1 general-purpose I/O; alternates are UART10 RXD, SPI10 MISO, analog input AN9, touch input CS9 and LED common COM8.
6	PB2	bidirectional	Port B bit 2 general-purpose I/O (selected function after reset); alternates are Timer 13 event count input, SPI10 SCK, analog input AN10, touch input CS10 and LED common COM7.
7	PB3	bidirectional	Port B bit 3 general-purpose I/O (selected function after reset); BOOT pin is a boot-mode selection input with pull-up, pulled low at reset to enter boot mode, and SPI10 slave select is an alternate function.
8	PB4	bidirectional	Port B bit 4 general-purpose I/O (selected function after reset); alternates are UART0 TXD and SWD clock SWCLK input with pull-up.
9	PB5	bidirectional	Port B bit 5 general-purpose I/O (selected function after reset); alternates are UART0 RXD and SWD data SWDIO input/output with pull-up.
10	PB6	bidirectional	Port B bit 6 general-purpose I/O (selected function after reset); alternates are UART1 TXD, Timer 11 event count input, analog input AN11 and touch input CS17.
11	PB7	bidirectional	Port B bit 7 general-purpose I/O (selected function after reset); alternates are UART1 RXD, analog input AN12 and touch input CS18.
12	PC0	bidirectional	Port C bit 0 general-purpose I/O (selected function after reset); alternates are Timer 20 output/clock-capture, analog input AN13, touch input CS19 and LED common COM6.
13	PC1	bidirectional	Port C bit 1 general-purpose I/O (selected function after reset); alternates are Timer 21 output/clock-capture, touch input CS20 and LED common COM5.
14	PC2	bidirectional	Port C bit 2 general-purpose I/O (selected function after reset); alternates are Timer 20 event count input, SPI20 MOSI, touch input CS21 and LED common COM4.
15	PC3	bidirectional	Port C bit 3 general-purpose I/O (selected function after reset); alternates are Timer 21 event count input, SPI20 MISO, touch input CS22 and LED common COM3.
16	PC4	bidirectional	Port C bit 4 general-purpose I/O (selected function after reset); alternates are SPI20 SCK, touch input CS23 and LED common COM2.
17	PD0	bidirectional	Port D bit 0 general-purpose I/O (selected function after reset); alternates are I2C0 SCL, SPI20 slave select and LED common COM1.
18	PD1	bidirectional	Port D bit 1 general-purpose I/O (selected function after reset); alternates are I2C0 SDA, Timer 10 event count input and LED common COM0.
19	PD2	bidirectional	Port D bit 2 general-purpose I/O (selected function after reset); alternates are UART11 TXD, SPI11 MOSI and LED segment SEG9.
20	PD3	bidirectional	Port D bit 3 general-purpose I/O (selected function after reset); alternates are UART11 RXD, SPI11 MISO and LED segment SEG8.
21	PD4	bidirectional	Port D bit 4 general-purpose I/O (selected function after reset); alternates are external sync input BLNK for Timer 30 PWM, SPI11 SCK and LED segment SEG7.
22	PD5	bidirectional	Port D bit 5 general-purpose I/O (selected function after reset); alternates are SPI11 slave select and LED segment SEG6.
23	VDD	power_in	Power supply pin VDD; operating voltage range is 1.8V to 5.5V.
24	VSS	power_in	Ground pin VSS (GND).
25	PE7	bidirectional	Port E bit 7 general-purpose I/O (selected function after reset); alternates are Timer 11 output/clock-capture, touch input CS11 and LED segment SEG5.
26	PE6	bidirectional	Port E bit 6 general-purpose I/O (selected function after reset); alternates are Timer 10 output/clock-capture, touch input CS12 and LED segment SEG4.
27	PE5	bidirectional	Port E bit 5 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30CB, SPI21 MOSI, touch input CS13 and LED segment SEG3.
28	PE4	bidirectional	Port E bit 4 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30CA, SPI21 MISO, touch input CS14 and LED segment SEG2.
29	PE3	bidirectional	Port E bit 3 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30BB, SPI21 SCK, touch input CS15 and LED segment SEG1.
30	PE2	bidirectional	Port E bit 2 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30BA, SPI21 slave select, touch input CS16 and LED segment SEG0.
31	PE1	bidirectional	Port E bit 1 general-purpose I/O (selected function after reset); alternate is Timer 30 PWM output PWM30AB.
32	PE0	bidirectional	Port E bit 0 general-purpose I/O (selected function after reset); alternate is Timer 30 PWM output PWM30AA.
33	PF7	bidirectional	Port F bit 7 open-drain I/O (selected function after reset); alternates are Timer 30 clock/capture input T30C and I2C0 SDA.
34	PF6	bidirectional	Port F bit 6 open-drain I/O (selected function after reset); alternates are Timer 30 event count input EC30 and I2C0 SCL.
35	PF5	bidirectional	Port F bit 5 open-drain I/O (selected function after reset); alternate is external sync input BLNK for Timer 30 PWM.
36	PF4	bidirectional	Port F bit 4 general-purpose I/O (selected function after reset); alternate is system clock output CLKO.
37	PF3	bidirectional	Port F bit 3 general-purpose I/O (selected function after reset); alternates are UART1 RXD, Timer 30 clock/capture input T30C and sub-oscillator output SXOUT.
38	PF2	bidirectional	Port F bit 2 general-purpose I/O (selected function after reset); alternates are UART1 TXD, Timer 30 event count input EC30 and sub-oscillator input SXIN.
39	PC5	input	External active-low reset input nRESET with pull-up (selected function after reset); the same pin also serves as Port C bit 5 I/O.
40	PF1	bidirectional	Port F bit 1 general-purpose I/O (selected function after reset); alternates are I2C1 SDA and main oscillator input XIN.
41	PF0	bidirectional	Port F bit 0 general-purpose I/O (selected function after reset); alternates are I2C1 SCL and main oscillator output XOUT.
42	VSS	power_in	Ground pin VSS (GND).
43	VDD	power_in	Power supply pin VDD; operating voltage range is 1.8V to 5.5V.
44	PA0	bidirectional	Port A bit 0 general-purpose I/O (selected function after reset); alternates are I2C1 SDA, analog input AN0 and touch input CS3.
45	PA1	bidirectional	Port A bit 1 general-purpose I/O (selected function after reset); alternates are I2C1 SCL, analog input AN1 and touch input CS4.
46	PA2	bidirectional	Port A bit 2 general-purpose I/O (selected function after reset); alternates are Timer 12 event count input, analog input AN2, A/D reference input AVREF, touch input CS5 and LED common COM15.
47	PA3	bidirectional	Port A bit 3 general-purpose I/O (selected function after reset); alternates are analog input AN3, touch input CS6 and LED common COM14.
48	PA4	bidirectional	Port A bit 4 general-purpose I/O (selected function after reset); alternates are analog input AN4, touch input CS7 and LED common COM13.

Key specifications

Parameter	Value
Manufacturer	ABOV Semicon
Package	LQFP-48(7x7)
Category	Embedded Processors & Controllers
Pins	48

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Supply voltage	VDD	-0.3		6.5	V		78
Normal pin voltage	VI	-0.3			V	Voltage on any pin with respect to VSS; upper limit printed as VDD+0.3 V	78
Output voltage	VO	-0.3			V	Voltage on any pin with respect to VSS; upper limit printed as VDD+0.3 V	78
Maximum current output sourced per I/O pin	IOH	-20			mA	Maximum current output sourced by (IOH per I/O pin)	78
Maximum current sourced total	ΣIOH	-100			mA	Maximum current (ΣIOH)	78
Maximum current sunk per I/O pin	IOL			25	mA	Maximum current sunk by (IOL per I/O pin)	78
Maximum current sunk total	ΣIOL			210	mA	Maximum current (ΣIOL)	78
Total power dissipation	TP			300	mW		78
Storage temperature	TSTG	-45		125	℃		78
Supply voltage logic block	VDD	1.8		5.5	V	Logic block	79
Supply voltage touch	VDD	2.7		5.5	V	Touch	79
Supply voltage LED	VDD	3.3		5.5	V	LED	79
Operating frequency HSE	FREQ	2		16	MHz	HSE	79
Operating frequency HSI	FREQ	31.52	32	32.48	MHz	HSI	79
Operating frequency LSI 40KHz	FREQ	22.8	40	62.6	KHz	LSI40KHz	79
Operating temperature commercial grade	Top	-40		85	℃	VDD = 1.8 to 5.5V (Commercial grade)	79
Operating temperature industrial grade	Top	-40		105	℃	VDD = 1.8 to 5.5V (Industrial grade)	79
ADC operating voltage	AVDD	2.4	5	5.5	V		80
ADC operating current	IDDA		1	2	mA	AVDD = 5.0V	80
ADC conversion rate	FCONV			150	Ksps		80
ADC operating frequency	ACLK			4.5	MHz		80
ADC integral non-linearity	INL	-10		10	LSB	AVDD=2.4V < AVDD < 5.5V, TA = 25 °C	80
ADC differential non-linearity	DNL	-4		4	LSB		80
LVR hysteresis			100	200	mV		81
LVR operation current	IDD		3.5	5	uA		81
LVR operation current stop	IDD, STOP		2.5	3	nA		81
HSI frequency	fHSI	31.52	32	32.48	MHz	VDD = 1.8V to 5.5V	82
HSI tolerance commercial grade		-1		1	%	TA = -40 °C to +85 °C (Commercial grade)	82
HSI tolerance industrial grade		-1.5		1.5	%	TA = -40 °C to +105 °C (Industrial grade)	82
LSI frequency	fLIRC	400	500	600	KHz	VDD = 1.8V to 5.5V	82
LSI stabilization time	tLFS			100	us		82
Touch operating temperature commercial grade	TOPER	-40		85	℃	VDD = 2.7, 5.5V (Commercial grade)	83
Touch operating temperature industrial grade	TOPER	-40		105	℃	VDD = 2.7, 5.5V (Industrial grade)	83
LED SEG current	ISEG	23			mA	VDdext = 3.3V, VOL_LED = 0.3V	83
LED COM output leakage	ICLKG	-1		1	uA		83
LED SEG output leakage	ISLKG	-1		1	uA		83
Input high voltage PF5 PF6 PF7 1.8V level	VIH2	0.9			V	PF5,PF6,PF7 are input 1.8V level; max VDD	84
Input low voltage PF5 PF6 PF7 1.8V level	VIL2	0		0.6	V	PF5,PF6,PF7 are input 1.8V level	84
Input high leakage current	IIH	-4			uA	All Input ports	84
Input low leakage current	IIL			4	uA	All Input ports	84
Pull-up resistor	RPU	10		60	KΩ	VI=0V, TA=25°C, All Input ports	84
Pull-down resistor	RPD	40		70	KΩ	VI=VDD, TA=25°C, All Input ports	84
Supply current run	IDD1 (Run)		4	12	mA	fXIN = 8MHz, VDD=5V±10%	85
Supply current run HSI	IDD1 (Run)		10	30	mA	fHSI = 32MHz	85
Supply current sleep HSI	IDD2 (Sleep)		6	18	mA	fHSI = 32MHz	85
Data retention supply current	IDDDR			1	uA	VDDDR = 1.8V, (TA = 25C), Deep sleep mode	90
Data retention supply voltage	VDDDR	1.8		5.5	V		90
Flash program voltage	VPGM	1.8		5.5	V	On erase/write	90
Endurance of write/erase	NFWE	10000			Times	TA=25 °C, Page unit	90
Retention time	tFRT	10			Years		90
PLL output frequency	fOUT			48	MHz		94
PLL duty	fDUTY	40		60	%		94
Main oscillation frequency crystal		2		16	MHz	1.8 V, 5.5 V	91
Sub oscillation frequency crystal		32	32.768	38	KHz	1.8 V, 5.5 V	92

CAD (KiCad official)

Symbol: A31G213CL2N
Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
3D model files: a31g213cl2n-etched.step / a31g213cl2n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); a31g213cl2n.step / a31g213cl2n.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: ABOV Semicon datasheet (108 pp, sha256 0deba41b570d0564, retrieved 2026-10-27, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed (audit)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

# A31G213CL2N

**ABOV Semicon** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

A31G213CL2N from ABOV Semicon, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PA5 | bidirectional | Port A bit 5 general-purpose I/O (selected function after reset); alternates are Timer 12 output/clock-capture, analog input AN5, touch input CS0 and LED common COM12. |
| 2 | PA6 | bidirectional | Port A bit 6 general-purpose I/O (selected function after reset); alternates are Timer 11 output/clock-capture, analog input AN6, touch input CS1 and LED common COM11. |
| 3 | PA7 | bidirectional | Port A bit 7 general-purpose I/O (selected function after reset); alternates are Timer 13 output/clock-capture, analog input AN7, DAC output DAO, touch input CS2 and LED common COM10. |
| 4 | PB0 | bidirectional | Port B bit 0 general-purpose I/O; alternates are UART10 TXD, SPI10 MOSI, analog input AN8, touch input CS8 and LED common COM9. |
| 5 | PB1 | bidirectional | Port B bit 1 general-purpose I/O; alternates are UART10 RXD, SPI10 MISO, analog input AN9, touch input CS9 and LED common COM8. |
| 6 | PB2 | bidirectional | Port B bit 2 general-purpose I/O (selected function after reset); alternates are Timer 13 event count input, SPI10 SCK, analog input AN10, touch input CS10 and LED common COM7. |
| 7 | PB3 | bidirectional | Port B bit 3 general-purpose I/O (selected function after reset); BOOT pin is a boot-mode selection input with pull-up, pulled low at reset to enter boot mode, and SPI10 slave select is an alternate function. |
| 8 | PB4 | bidirectional | Port B bit 4 general-purpose I/O (selected function after reset); alternates are UART0 TXD and SWD clock SWCLK input with pull-up. |
| 9 | PB5 | bidirectional | Port B bit 5 general-purpose I/O (selected function after reset); alternates are UART0 RXD and SWD data SWDIO input/output with pull-up. |
| 10 | PB6 | bidirectional | Port B bit 6 general-purpose I/O (selected function after reset); alternates are UART1 TXD, Timer 11 event count input, analog input AN11 and touch input CS17. |
| 11 | PB7 | bidirectional | Port B bit 7 general-purpose I/O (selected function after reset); alternates are UART1 RXD, analog input AN12 and touch input CS18. |
| 12 | PC0 | bidirectional | Port C bit 0 general-purpose I/O (selected function after reset); alternates are Timer 20 output/clock-capture, analog input AN13, touch input CS19 and LED common COM6. |
| 13 | PC1 | bidirectional | Port C bit 1 general-purpose I/O (selected function after reset); alternates are Timer 21 output/clock-capture, touch input CS20 and LED common COM5. |
| 14 | PC2 | bidirectional | Port C bit 2 general-purpose I/O (selected function after reset); alternates are Timer 20 event count input, SPI20 MOSI, touch input CS21 and LED common COM4. |
| 15 | PC3 | bidirectional | Port C bit 3 general-purpose I/O (selected function after reset); alternates are Timer 21 event count input, SPI20 MISO, touch input CS22 and LED common COM3. |
| 16 | PC4 | bidirectional | Port C bit 4 general-purpose I/O (selected function after reset); alternates are SPI20 SCK, touch input CS23 and LED common COM2. |
| 17 | PD0 | bidirectional | Port D bit 0 general-purpose I/O (selected function after reset); alternates are I2C0 SCL, SPI20 slave select and LED common COM1. |
| 18 | PD1 | bidirectional | Port D bit 1 general-purpose I/O (selected function after reset); alternates are I2C0 SDA, Timer 10 event count input and LED common COM0. |
| 19 | PD2 | bidirectional | Port D bit 2 general-purpose I/O (selected function after reset); alternates are UART11 TXD, SPI11 MOSI and LED segment SEG9. |
| 20 | PD3 | bidirectional | Port D bit 3 general-purpose I/O (selected function after reset); alternates are UART11 RXD, SPI11 MISO and LED segment SEG8. |
| 21 | PD4 | bidirectional | Port D bit 4 general-purpose I/O (selected function after reset); alternates are external sync input BLNK for Timer 30 PWM, SPI11 SCK and LED segment SEG7. |
| 22 | PD5 | bidirectional | Port D bit 5 general-purpose I/O (selected function after reset); alternates are SPI11 slave select and LED segment SEG6. |
| 23 | VDD | power_in | Power supply pin VDD; operating voltage range is 1.8V to 5.5V. |
| 24 | VSS | power_in | Ground pin VSS (GND). |
| 25 | PE7 | bidirectional | Port E bit 7 general-purpose I/O (selected function after reset); alternates are Timer 11 output/clock-capture, touch input CS11 and LED segment SEG5. |
| 26 | PE6 | bidirectional | Port E bit 6 general-purpose I/O (selected function after reset); alternates are Timer 10 output/clock-capture, touch input CS12 and LED segment SEG4. |
| 27 | PE5 | bidirectional | Port E bit 5 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30CB, SPI21 MOSI, touch input CS13 and LED segment SEG3. |
| 28 | PE4 | bidirectional | Port E bit 4 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30CA, SPI21 MISO, touch input CS14 and LED segment SEG2. |
| 29 | PE3 | bidirectional | Port E bit 3 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30BB, SPI21 SCK, touch input CS15 and LED segment SEG1. |
| 30 | PE2 | bidirectional | Port E bit 2 general-purpose I/O (selected function after reset); alternates are Timer 30 PWM output PWM30BA, SPI21 slave select, touch input CS16 and LED segment SEG0. |
| 31 | PE1 | bidirectional | Port E bit 1 general-purpose I/O (selected function after reset); alternate is Timer 30 PWM output PWM30AB. |
| 32 | PE0 | bidirectional | Port E bit 0 general-purpose I/O (selected function after reset); alternate is Timer 30 PWM output PWM30AA. |
| 33 | PF7 | bidirectional | Port F bit 7 open-drain I/O (selected function after reset); alternates are Timer 30 clock/capture input T30C and I2C0 SDA. |
| 34 | PF6 | bidirectional | Port F bit 6 open-drain I/O (selected function after reset); alternates are Timer 30 event count input EC30 and I2C0 SCL. |
| 35 | PF5 | bidirectional | Port F bit 5 open-drain I/O (selected function after reset); alternate is external sync input BLNK for Timer 30 PWM. |
| 36 | PF4 | bidirectional | Port F bit 4 general-purpose I/O (selected function after reset); alternate is system clock output CLKO. |
| 37 | PF3 | bidirectional | Port F bit 3 general-purpose I/O (selected function after reset); alternates are UART1 RXD, Timer 30 clock/capture input T30C and sub-oscillator output SXOUT. |
| 38 | PF2 | bidirectional | Port F bit 2 general-purpose I/O (selected function after reset); alternates are UART1 TXD, Timer 30 event count input EC30 and sub-oscillator input SXIN. |
| 39 | PC5 | input | External active-low reset input nRESET with pull-up (selected function after reset); the same pin also serves as Port C bit 5 I/O. |
| 40 | PF1 | bidirectional | Port F bit 1 general-purpose I/O (selected function after reset); alternates are I2C1 SDA and main oscillator input XIN. |
| 41 | PF0 | bidirectional | Port F bit 0 general-purpose I/O (selected function after reset); alternates are I2C1 SCL and main oscillator output XOUT. |
| 42 | VSS | power_in | Ground pin VSS (GND). |
| 43 | VDD | power_in | Power supply pin VDD; operating voltage range is 1.8V to 5.5V. |
| 44 | PA0 | bidirectional | Port A bit 0 general-purpose I/O (selected function after reset); alternates are I2C1 SDA, analog input AN0 and touch input CS3. |
| 45 | PA1 | bidirectional | Port A bit 1 general-purpose I/O (selected function after reset); alternates are I2C1 SCL, analog input AN1 and touch input CS4. |
| 46 | PA2 | bidirectional | Port A bit 2 general-purpose I/O (selected function after reset); alternates are Timer 12 event count input, analog input AN2, A/D reference input AVREF, touch input CS5 and LED common COM15. |
| 47 | PA3 | bidirectional | Port A bit 3 general-purpose I/O (selected function after reset); alternates are analog input AN3, touch input CS6 and LED common COM14. |
| 48 | PA4 | bidirectional | Port A bit 4 general-purpose I/O (selected function after reset); alternates are analog input AN4, touch input CS7 and LED common COM13. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ABOV Semicon |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage | VDD | -0.3 |  | 6.5 | V |  | 78 |
| Normal pin voltage | VI | -0.3 |  |  | V | Voltage on any pin with respect to VSS; upper limit printed as VDD+0.3 V | 78 |
| Output voltage | VO | -0.3 |  |  | V | Voltage on any pin with respect to VSS; upper limit printed as VDD+0.3 V | 78 |
| Maximum current output sourced per I/O pin | IOH | -20 |  |  | mA | Maximum current output sourced by (IOH per I/O pin) | 78 |
| Maximum current sourced total | ΣIOH | -100 |  |  | mA | Maximum current (ΣIOH) | 78 |
| Maximum current sunk per I/O pin | IOL |  |  | 25 | mA | Maximum current sunk by (IOL per I/O pin) | 78 |
| Maximum current sunk total | ΣIOL |  |  | 210 | mA | Maximum current (ΣIOL) | 78 |
| Total power dissipation | TP |  |  | 300 | mW |  | 78 |
| Storage temperature | TSTG | -45 |  | 125 | ℃ |  | 78 |
| Supply voltage logic block | VDD | 1.8 |  | 5.5 | V | Logic block | 79 |
| Supply voltage touch | VDD | 2.7 |  | 5.5 | V | Touch | 79 |
| Supply voltage LED | VDD | 3.3 |  | 5.5 | V | LED | 79 |
| Operating frequency HSE | FREQ | 2 |  | 16 | MHz | HSE | 79 |
| Operating frequency HSI | FREQ | 31.52 | 32 | 32.48 | MHz | HSI | 79 |
| Operating frequency LSI 40KHz | FREQ | 22.8 | 40 | 62.6 | KHz | LSI40KHz | 79 |
| Operating temperature commercial grade | Top | -40 |  | 85 | ℃ | VDD = 1.8 to 5.5V (Commercial grade) | 79 |
| Operating temperature industrial grade | Top | -40 |  | 105 | ℃ | VDD = 1.8 to 5.5V (Industrial grade) | 79 |
| ADC operating voltage | AVDD | 2.4 | 5 | 5.5 | V |  | 80 |
| ADC operating current | IDDA |  | 1 | 2 | mA | AVDD = 5.0V | 80 |
| ADC conversion rate | FCONV |  |  | 150 | Ksps |  | 80 |
| ADC operating frequency | ACLK |  |  | 4.5 | MHz |  | 80 |
| ADC integral non-linearity | INL | -10 |  | 10 | LSB | AVDD=2.4V < AVDD < 5.5V, TA = 25 °C | 80 |
| ADC differential non-linearity | DNL | -4 |  | 4 | LSB |  | 80 |
| LVR hysteresis |  |  | 100 | 200 | mV |  | 81 |
| LVR operation current | IDD |  | 3.5 | 5 | uA |  | 81 |
| LVR operation current stop | IDD, STOP |  | 2.5 | 3 | nA |  | 81 |
| HSI frequency | fHSI | 31.52 | 32 | 32.48 | MHz | VDD = 1.8V to 5.5V | 82 |
| HSI tolerance commercial grade |  | -1 |  | 1 | % | TA = -40 °C to +85 °C (Commercial grade) | 82 |
| HSI tolerance industrial grade |  | -1.5 |  | 1.5 | % | TA = -40 °C to +105 °C (Industrial grade) | 82 |
| LSI frequency | fLIRC | 400 | 500 | 600 | KHz | VDD = 1.8V to 5.5V | 82 |
| LSI stabilization time | tLFS |  |  | 100 | us |  | 82 |
| Touch operating temperature commercial grade | TOPER | -40 |  | 85 | ℃ | VDD = 2.7, 5.5V (Commercial grade) | 83 |
| Touch operating temperature industrial grade | TOPER | -40 |  | 105 | ℃ | VDD = 2.7, 5.5V (Industrial grade) | 83 |
| LED SEG current | ISEG | 23 |  |  | mA | VDdext = 3.3V, VOL_LED = 0.3V | 83 |
| LED COM output leakage | ICLKG | -1 |  | 1 | uA |  | 83 |
| LED SEG output leakage | ISLKG | -1 |  | 1 | uA |  | 83 |
| Input high voltage PF5 PF6 PF7 1.8V level | VIH2 | 0.9 |  |  | V | PF5,PF6,PF7 are input 1.8V level; max VDD | 84 |
| Input low voltage PF5 PF6 PF7 1.8V level | VIL2 | 0 |  | 0.6 | V | PF5,PF6,PF7 are input 1.8V level | 84 |
| Input high leakage current | IIH | -4 |  |  | uA | All Input ports | 84 |
| Input low leakage current | IIL |  |  | 4 | uA | All Input ports | 84 |
| Pull-up resistor | RPU | 10 |  | 60 | KΩ | VI=0V, TA=25°C, All Input ports | 84 |
| Pull-down resistor | RPD | 40 |  | 70 | KΩ | VI=VDD, TA=25°C, All Input ports | 84 |
| Supply current run | IDD1 (Run) |  | 4 | 12 | mA | fXIN = 8MHz, VDD=5V±10% | 85 |
| Supply current run HSI | IDD1 (Run) |  | 10 | 30 | mA | fHSI = 32MHz | 85 |
| Supply current sleep HSI | IDD2 (Sleep) |  | 6 | 18 | mA | fHSI = 32MHz | 85 |
| Data retention supply current | IDDDR |  |  | 1 | uA | VDDDR = 1.8V, (TA = 25C), Deep sleep mode | 90 |
| Data retention supply voltage | VDDDR | 1.8 |  | 5.5 | V |  | 90 |
| Flash program voltage | VPGM | 1.8 |  | 5.5 | V | On erase/write | 90 |
| Endurance of write/erase | NFWE | 10000 |  |  | Times | TA=25 °C, Page unit | 90 |
| Retention time | tFRT | 10 |  |  | Years |  | 90 |
| PLL output frequency | fOUT |  |  | 48 | MHz |  | 94 |
| PLL duty | fDUTY | 40 |  | 60 | % |  | 94 |
| Main oscillation frequency crystal |  | 2 |  | 16 | MHz | 1.8 V, 5.5 V | 91 |
| Sub oscillation frequency crystal |  | 32 | 32.768 | 38 | KHz | 1.8 V, 5.5 V | 92 |

## CAD (KiCad official)

- Symbol: `A31G213CL2N`
- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`
- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files: `a31g213cl2n-etched.step` / `a31g213cl2n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `a31g213cl2n.step` / `a31g213cl2n.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [ABOV Semicon datasheet](docs/a31g213cl2n-datasheet.pdf) (108 pp, sha256 `0deba41b570d0564`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed (audit)), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/a31g213cl2n-datasheet.pdf)