CW32L052R8T6 from CW, in a LQFP-64(10x10). 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	Vcore	power_out	Internal regulator supply output; it must be decoupled with a 1 μF capacitor to ground and is for internal circuit use only.
2	PC13	bidirectional	Standard I/O (TC structure) with alternate functions RTC_1Hz, UART1_CTS, RTC_OUT, BTIM_ETR, GTIM3_ETR and RTC_TAMP.
3	PC14	bidirectional	Standard I/O (TC structure) with alternate functions AUTOTRIM_ETR, GTIM1_CH4, UART1_RTS, UART1_TXD, SPI2_MISO, GTIM3_TOGP and GTIM3_CH1; analog function OSC32_IN.
4	PC15	bidirectional	Standard I/O (TC structure) with alternate functions HSE_OUT, GTIM1_CH3, GTIM1_ETR, UART1_RXD, SPI2_MOSI, GTIM3_TOGN and GTIM3_CH2; analog function OSC32_OUT.
5	PF00	bidirectional	Standard I/O (TC structure) with alternate functions AUTOTRIM_ETR, GTIM1_CH2, I2C1_SDA, BTIM1_TOGN, SPI2_SCK, GTIM2_TOGP and GTIM3_CH3; analog function OSC_IN.
6	PF01	bidirectional	Standard I/O (TC structure) with alternate functions LSE_OUT, GTIM1_CH1, I2C1_SCL, BTIM1_TOGP, SPI2_CS, GTIM2_TOGN and GTIM3_CH4; analog function OSC_OUT.
7	NRST	input	Chip reset input with internal pull-up (8 kΩ typ.); VIL max 0.3VDD and a reset pulse shorter than 20 μs minimum is not guaranteed to reset the chip.
8	PC00	bidirectional	5V-tolerant-range TTa I/O with alternate functions UART1_CTS, GTIM2_CH4, SPI1_CS, LPTIM_CH1, UART2_RXD, ATIM_CH1A and I2C2_SCL; analog function SEG23.
9	PC01	bidirectional	TTa I/O with alternate functions UART1_RTS, GTIM2_CH3, SPI1_SCK, LPTIM_OUT, UART2_TXD, ATIM_CH2A and I2C2_SDA; analog function SEG22.
10	PC02	bidirectional	TTa I/O with alternate functions UART1_RXD, GTIM2_CH2, SPI1_MISO, LPTIM_CH2, UART1_TXD and ATIM_CH3A; analog function SEG21.
11	PC03	bidirectional	TTa I/O with alternate functions UART1_TXD, GTIM2_CH1, SPI1_MOSI, LPTIM_ETR, UART1_RXD and ATIM_BK; analog function SEG20.
12	VSSA	power_in	Analog ground, referenced to VSS.
13	VDDA	power_in	Analog supply for ADC, reset circuit and internal RC oscillator, 1.65 V to 5.5 V, which must always be greater than or equal to VDD.
14	PA00	bidirectional	TTa I/O with alternate functions UART3_CTS, UART2_CTS, RTC_TAMP, VC1_OUT, SPI2_MISO, GTIM2_CH1 and GTIM2_ETR; analog functions ADC_AIN0, VC1_CH0 and LVD_CH1.
15	PA01	bidirectional	TTa I/O with alternate functions UART3_RTS, UART2_RTS, I2C2_SCL, LVD_OUT, SPI2_MOSI, GTIM2_CH2 and RTC_TAMP; analog functions ADC_AIN1, VC1_CH1 and SEG19.
16	PA02	bidirectional	TTa I/O with alternate functions UART3_TXD, UART2_TXD, I2C2_SDA, VC2_OUT, SPI2_SCK, GTIM2_CH3 and AUTOTRIM_ETR; analog functions ADC_AIN2, VC1_CH2 and SEG18.
17	PA03	bidirectional	TTa I/O with alternate functions UART3_RXD, UART2_RXD, GTIM2_CH2, PCLK_OUT, SPI2_CS, GTIM2_CH4 and ATIM_CH3A; analog functions ADC_AIN3, VC1_CH3 and SEG17.
18	PF04	bidirectional	Standard I/O (TC structure) with alternate functions UART1_TXD, GTIM1_CH2 and UART2_RXD.
19	PF05	bidirectional	Standard I/O (TC structure) with alternate functions UART1_RXD, BTIM_ETR, UART2_TXD and AUTOTRIM_ETR.
20	PA04	bidirectional	TTa I/O with alternate functions UART1_TXD, UART2_CTS, I2C2_SCL, HCLK_OUT, SPI1_CS, GTIM2_ETR and ATIM_CH2A; analog functions ADC_AIN4 and VC1_CH4.
21	PA05	bidirectional	TTa I/O with alternate functions GTIM2_ETR, UART2_RTS, I2C2_SDA, BTIM2_TOGN, SPI1_SCK, GTIM2_CH1 and ATIM_CH1A; analog functions ADC_AIN5 and VC1_CH5.
22	PA06	bidirectional	TTa I/O with alternate functions GTIM3_CH1, UART2_TXD, VC1_OUT, BTIM2_TOGP, SPI1_MISO, GTIM1_CH1 and ATIM_BK; analog functions ADC_AIN6, VC1_CH6 and SEG16.
23	PA07	bidirectional	TTa I/O with alternate functions GTIM2_CH1, UART2_RXD, VC2_OUT, BTIM1_TOGN, SPI1_MOSI, GTIM1_CH2 and ATIM_CH1B; analog functions ADC_AIN7, VC1_CH7 and SEG15.
24	PC04	bidirectional	TTa I/O with alternate functions UART1_TXD, UART3_RXD, IR_OUT and LSI_OUT; analog functions ADC_AIN8 and SEG14.
25	PC05	bidirectional	TTa I/O with alternate functions UART1_RXD, UART3_TXD, MCO_OUT, LPTIM_ETR and LPTIM_OUT; analog functions ADC_AIN9 and SEG13.
26	PB00	bidirectional	TTa I/O with alternate functions UART2_RXD, UART1_CTS, I2C2_SCL, BTIM1_TOGP, HSIOSC_OUT, GTIM1_CH3 and ATIM_CH2B; analog functions ADC_AIN10/ExRef, VC2_CH0, LVD_CH2 and SEG12.
27	PB01	bidirectional	TTa I/O with alternate functions UART2_TXD, UART1_RTS, I2C2_SDA, GTIM2_TOGP, BTIM3_TOGN, GTIM1_CH4 and ATIM_CH3B; analog functions ADC_AIN11, VC2_CH1 and SEG11.
28	PB02	bidirectional	TTa I/O with alternate functions UART2_CTS, UART1_TXD, LPTIM_OUT, GTIM2_TOGN, BTIM3_TOGP, GTIM1_ETR and ATIM_CH1A; analog functions ADC_AIN12 and VC2_CH2.
29	PB10	bidirectional	TTa I/O with alternate functions UART2_RTS, UART1_RXD, I2C1_SCL, I2C2_SCL, SPI2_SCK, GTIM2_CH3 and ATIM_CH2A; analog functions VC2_CH3 and SEG10.
30	PB11	bidirectional	TTa I/O with alternate functions GTIM3_ETR, UART1_TXD, I2C1_SDA, I2C2_SDA, BTIM_ETR, GTIM2_CH4 and ATIM_CH3A; analog functions LVD_CH3 and SEG9.
31	VSS	power_in	Digital ground.
32	VDD	power_in	Digital supply for I/O and internal regulator, 1.65 V to 5.5 V; all VDD pins must be powered at the same voltage.
33	PB12	bidirectional	TTa I/O with alternate functions GTIM2_TOGP, GTIM3_CH4, LSE_OUT, SPI2_CS, SPI1_CS, GTIM1_TOGP and ATIM_BK; analog function SEG8.
34	PB13	bidirectional	TTa I/O with alternate functions GTIM2_TOGN, GTIM3_CH3, I2C2_SCL, SPI2_SCK, SPI1_SCK, GTIM1_TOGN and ATIM_CH1B; analog function SEG7.
35	PB14	bidirectional	TTa I/O with alternate functions GTIM2_CH1, GTIM3_CH2, I2C2_SDA, SPI2_MISO, SPI1_MISO, RTC_OUT and ATIM_CH2B; analog function SEG6.
36	PB15	bidirectional	TTa I/O with alternate functions GTIM2_CH2, GTIM3_CH1, BTIM2_TOGN, SPI2_MOSI, SPI1_MOSI, RTC_1Hz and ATIM_CH3B; analog function SEG5.
37	PC06	bidirectional	TTa I/O with alternate functions UART1_RXD, UART3_TXD, BTIM2_TOGP, GTIM2_CH4 and ATIM_CH1B; analog function SEG4.
38	PC07	bidirectional	TTa I/O with alternate functions UART1_TXD, UART3_RXD, BTIM2_TOGN, GTIM2_CH3 and ATIM_CH2B; analog function SEG3.
39	PC08	bidirectional	TTa I/O with alternate functions UART1_CTS, UART3_TXD, GTIM3_ETR, GTIM2_CH2 and ATIM_CH3B; analog function SEG2.
40	PC09	bidirectional	TTa I/O with alternate functions UART1_RTS, UART3_RXD, I2C1_SDA, GTIM2_CH1 and ATIM_ETR; analog function SEG1.
41	PA08	bidirectional	TTa I/O with alternate functions LPTIM_ETR, UART1_TXD, BTIM2_TOGP, MCO_OUT, LVD_OUT, GTIM3_ETR and ATIM_CH1A; analog functions VC2_CH4 and SEG0.
42	PA09	bidirectional	TTa I/O with alternate functions UART3_TXD, UART1_RXD, I2C1_SCL, BTIM1_TOGN, SPI1_CS, GTIM3_CH1 and ATIM_CH2A; analog functions VC2_CH5 and COM0.
43	PA10	bidirectional	TTa I/O with alternate functions UART3_RXD, UART1_CTS, I2C1_SDA, BTIM1_TOGP, SPI1_SCK, GTIM3_CH2 and ATIM_CH3A; analog functions VC2_CH6 and COM1.
44	PA11	bidirectional	TTa I/O with alternate functions UART3_CTS, UART1_RTS, I2C2_SCL, VC1_OUT, SPI1_MISO and GTIM3_CH3; analog functions VC2_CH7 and COM2.
45	PA12	bidirectional	TTa I/O with alternate functions UART3_RTS, BTIM_ETR, I2C2_SDA, VC2_OUT, SPI1_MOSI, GTIM3_CH4 and ATIM_ETR; analog function COM3.
46	PA13/SWDIO	bidirectional	Standard I/O (TC structure) with alternate functions I2C1_SDA, UART1_RXD, UART2_TXD, I2C2_SCL and IR_OUT; after reset it is configured as SWDIO with internal pull-up enabled.
47	PF06	bidirectional	Standard I/O (TC structure) with alternate functions UART3_CTS, I2C1_SCL, GTIM1_TOGP, UART2_CTS, I2C2_SCL, GTIM3_TOGP and BTIM3_TOGN.
48	PF07	bidirectional	Standard I/O (TC structure) with alternate functions UART3_RTS, I2C1_SDA, GTIM1_TOGN, UART2_RTS, I2C2_SDA, GTIM3_TOGN and BTIM3_TOGP.
49	PA14/SWCLK	bidirectional	Standard I/O (TC structure) with alternate functions UART3_TXD, I2C1_SCL, UART1_TXD, UART2_RXD and I2C2_SDA; after reset it is configured as SWCLK with internal pull-up enabled.
50	PA15	bidirectional	TTa I/O with alternate functions UART3_RXD, GTIM2_CH1, UART1_RXD, UART2_TXD, SPI1_CS, GTIM2_ETR and ATIM_CH1B; analog function SEG55.
51	PC10	bidirectional	TTa I/O with alternate functions UART1_TXD, GTIM3_CH1, HCLK_OUT, BTIM1_TOGP, VC1_OUT, LPTIM_CH1 and ATIM_CH2B; analog functions SEG31 and COM4.
52	PC11	bidirectional	TTa I/O with alternate functions UART1_RXD, GTIM3_CH2, IR_OUT, BTIM1_TOGN, VC2_OUT, LPTIM_CH2 and ATIM_CH3B; analog functions SEG30 and COM5.
53	PC12	bidirectional	TTa I/O with alternate functions UART2_TXD, PCLK_OUT, LVD_OUT, UART3_RXD and HSIOSC_OUT; analog functions SEG29 and COM6.
54	PD02	bidirectional	TTa I/O with alternate functions UART2_RXD, GTIM1_CH1, BTIM_ETR, UART3_TXD, RTC_1Hz, GTIM3_ETR and ATIM_ETR; analog function SEG28 and COM7.
55	PB03	bidirectional	TTa I/O with alternate functions UART3_RTS, GTIM2_CH2, UART1_CTS, UART2_TXD, SPI1_SCK, GTIM1_ETR and ATIM_CH2B; analog functions SEG27 and VLCD4.
56	PB04	bidirectional	TTa I/O with alternate functions UART3_CTS, GTIM2_ETR, UART1_RTS, UART2_RXD, SPI1_MISO, GTIM1_CH1 and ATIM_CH3B; analog functions SEG26 and VLCD3.
57	PB05	bidirectional	TTa I/O with alternate functions UART1_RXD, GTIM3_CH4, LPTIM_CH1, UART2_RTS, SPI1_MOSI, GTIM1_CH2 and ATIM_CH1A; analog functions SEG25 and VLCD2.
58	PB06	bidirectional	TTa I/O with alternate functions UART3_TXD, GTIM3_CH3, LPTIM_ETR, I2C1_SCL, SPI2_MOSI, GTIM1_TOGP and ATIM_CH2A; analog functions SEG24 and VLCD1.
59	PB07	bidirectional	TTa I/O with alternate functions UART3_RXD, GTIM3_CH2, LPTIM_CH2, I2C1_SDA, SPI2_MISO, GTIM1_TOGN and ATIM_CH3A.
60	PF03/BOOT	input	BOOT pin sampled at startup to select between running the internal Bootloader and running the user program.
61	PB08	bidirectional	TTa I/O with alternate functions I2C1_SCL, GTIM3_CH1, UART2_TXD, GTIM2_CH2, SPI2_SCK, GTIM1_CH3 and ATIM_ETR; analog function SEG53.
62	PB09	bidirectional	TTa I/O with alternate functions I2C1_SDA, GTIM2_CH1, UART2_RXD, IR_OUT, SPI2_CS, GTIM1_CH4 and ATIM_BK; analog function SEG52.
63	VSS	power_in	Digital ground.
64	VDD	power_in	Digital supply for I/O and internal regulator, 1.65 V to 5.5 V; all VDD pins must be powered at the same voltage.

Key specifications

Parameter	Value
Manufacturer	CW
Package	LQFP-64(10x10)
Category	Single Chip Microcomputer/Microcontroller
Pins	64

Electrical characteristics

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

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
外供主电源电压 VDD-VSS	VDD - VSS	-0.3		6	V		41
外供模拟电源电压 VDDA-VSS	VDDA-VSS	-0.3		6	V		41
VDD 大于 VDDA 时允许的最大差值	VDD-VDDA			0.3	V		41
全部 VDD 供电线的灌电流总和（流入）	ΣIVDD			120	mA		41
全部 VSS 供电线的拉电流总和（流出）	ΣIVSS	-120			mA		41
单个 VDD 供电线的灌电流总和（流入）	IVDD(PIN)			100	mA		41
单个 VSS 供电线的拉电流总和（流出）	IVSS(PIN)	-100			mA		41
单个 I/O 或控制引脚灌入的电流	IIO(PIN)			25	mA	灌入 (sink)	41
单个 I/O 或控制引脚输出的电流	IIO(PIN)	-25			mA	输出 (source)	41
全部 I/O 或控制引脚灌入的电流总和	ΣIIO(PIN)			80	mA		41
全部 I/O 或控制引脚输出的电流总和	ΣIIO(PIN)	-80			mA		41
TC 和 RST 引脚的注入电流	IINJ(PIN)	-5		5	mA		41
TTa 引脚的注入电流	IINJ(PIN)	-5		5	mA		41
全部 I/O 或控制引脚注入的电流总和	ΣIINJ(PIN)	-25		25	mA		41
储存温度范围	TSTG	-65		150	℃		42
最大结温	TJ			105	℃		42
静电放电电压（人体模式）	VESD(HBM)			8	kV	TA=+25℃，符合 JESD22-A115C	53
内部 AHB 总线频率 (VDD≥1.8V)	fHCLK	0		48	MHz	VDD≥ 1.8V	43
内部 APB 总线频率 (VDD≥1.8V)	fPCLK	0		48	MHz	VDD≥ 1.8V	43
内部 AHB 总线频率 (1.65V ≤ VDD < 1.8V)	fHCLK	0		24	MHz	1.65V ≤ VDD ＜ 1.8V	43
内部 APB 总线频率 (1.65V ≤ VDD < 1.8V)	fPCLK	0		24	MHz	1.65V ≤ VDD ＜ 1.8V	43
标准工作电压	VDD	1.65		5.5	V		43
模拟工作电压	VDDA	1.65		5.5	V	须等于 VDD	43
功率耗散 LQFP64（温度标号 6）	PD			435	mW	TA=85℃	43
环境温度（温度标号 6，最大功率耗散）	TA	-40		85	℃	最大功率耗散	43
环境温度（温度标号 6，低功率耗散）	TA	-40		105	℃	低功率耗散	43
结温范围（温度标号 6）	TJ	-40		105	℃	温度标号 6	43
VDD 上升速率	tVDD	0			μs/V		43
VDD 下降速率	tVDD	20			μs/V		43
VDDA 上升速率	tVDDA	0			μs/V		43
VDDA 下降速率	tVDDA	20			μs/V		43
上电/掉电复位门限（下降沿）	VPOR/BOR	1.45	1.5	1.55	V	下降沿	44
上电/掉电复位门限（上升沿）	VPOR/BOR	1.5	1.55	1.6	V	上升沿	44
BOR 迟滞	VBORhyst		50		mV		44
复位持续时间	tRSTTEMPO	4	6.5	13	ms		44
内部 1.5V 参考电压	VREFINT1V5	1.485	1.5	1.515	V	-40℃ < TA < +85℃	44
内部 2.5V 参考电压	VREFINT2V5	2.475	2.5	2.525	V	-40℃ < TA < +85℃	44
全温度范围内的内部参考电压分布	ΔVREFINT			10	mV	VDDA = 3V	44
内部参考电压温度系数	TCoeff	-60		60	ppm/℃		44
运行模式供电电流（FLASH 运行，48MHz）	IDD		8.2	8.6	mA	fHCLK=48MHz; VDD=VDDA=5.5V; TA=85℃; 全部外设打开; HSI 或 HSE	45
运行模式供电电流（FLASH 运行，24MHz）	IDD		5.6	6	mA	fHCLK=24MHz; VDD=VDDA=5.5V; TA=85℃; 全部外设打开; HSI 或 HSE	45
运行模式供电电流（FLASH 运行，8MHz）	IDD		2.3	2.6	mA	fHCLK=8MHz; VDD=VDDA=5.5V; TA=85℃; 全部外设打开; HSI 或 HSE	45
Sleep 模式供电电流（代码自 FLASH 或 RAM 中运行，48MHz）	IDD		4.6	4.9	mA	fHCLK=48MHz; VDD=VDDA=5.5V; TA=85℃; 全部外设打开; HSI 或 HSE	45
DeepSleep 模式供电电流（稳压器运行模式，全部振荡器关闭）	IDD		0.5	7	μA	典型值: VDD=VDDA=3.3V; 最大值: TA=85℃	46
DeepSleep 模式供电电流（稳压器运行模式，LSI 和 IWDT 打开）	IDD		1.4	8	μA	典型值: VDD=VDDA=3.3V; 最大值: TA=85℃	46
DeepSleep 模式供电电流（稳压器运行模式，LSE 打开）	IDD		0.9	7.8	μA	典型值: VDD=VDDA=3.3V; 最大值: TA=85℃	46
从 DeepSleep 模式唤醒时间	tWUDEEP		4	5	μs	稳压器处于运行模式; VDD=VDDA=3.3V (典型值)	48
高电平输出电压（源电流 10mA）	VOH	3.02			V	Sourcing 10mA, VDD = 3.3V	55
高电平输出电压（源电流 20mA）	VOH	2.7			V	Sourcing 20mA, VDD = 3.3V	55
低电平输出电压（灌电流 10mA）	VOL			0.23	V	Sinking 10mA, VDD = 3.3V	55
低电平输出电压（灌电流 20mA）	VOL			0.45	V	Sinking 20mA, VDD = 3.3V	55
弱上拉等效电阻	RPU	50	80	180	kΩ	VIN = VSS	54
弱下拉等效电阻	RPD	20	30	45	kΩ	VIN = VDDIOx	54
NRST 弱上拉等效电阻	RPU	7	8	9	kΩ	VIN = VSS	57
高速外部振荡器频率（HSE 晶体/陶瓷谐振器）	fOSC_IN	4	8	32	MHz		50
HSE 电流消耗（启动）	IDD			900	μA	启动	50
HSI 工厂校准精度	ACCHSI	-2		2	%	TA = -40℃ ~ +85℃	51
HSI 工厂校准精度	ACCHSI	-0.5		0.5	%	TA = +25℃	51
ADC 综合误差	ET	-3	2.5	3	LSB	fADC = 24MHz, VDDA = 1.65V ~ 5.5V, TA = -40℃ ~ +85℃	59
FLASH 寿命	NNED	20000			次	TA = -40℃ ~ +85℃	52

CAD (KiCad official)

Symbol: CW32L052R8T6
Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
3D model files: cw32l052r8t6-etched.step / cw32l052r8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cw32l052r8t6.step / cw32l052r8t6.glb are the bare package body.

Provenance

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

Datasheet: CW datasheet (79 pp, sha256 eed9d435f5af5b43, retrieved 2026-11-13, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), 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

CW32L052R8T6

Verified CW32L052R8T6

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

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