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HC16P122B1-S16B-T

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holychip(芯圣电子) Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HC16P122B1-S16B-T

holychip(芯圣电子) · Microcontrollers (MCU/MPU/SOC) · SOP-16

HC16P122B1-S16B-T from holychip(芯圣电子), in a SOP-16. 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 PORTB5/MCLRB/VPP input PORTB5 is an input port with programmable pull-up/pull-down and port-change interrupt, alternately MCLRB (active-low reset input) and VPP (programming high-voltage supply input).
2 PORTB3/AN11/CCP2/TX bidirectional PORTB3 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 11 analog input, CCP2 input/output, and UART transmit (TX).
3 PORTB2/CCP1/AN10/INT0/RX bidirectional PORTB2 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately CCP1 input/output, ADC channel 10 analog input, external interrupt INT0 input, and UART receive (RX).
4 PORTB1/T0CKI/T1CKI/LOSCI/AN9 bidirectional PORTB1 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately Timer0 external clock input T0CKI (Schmitt trigger), Timer1 external clock input T1CKI (Schmitt trigger), low-frequency crystal oscillator input LOSCI, and ADC channel 9 analog input.
5 PORTB0/AN8/LOSCO bidirectional PORTB0 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 8 analog input and low-frequency crystal oscillator output LOSCO.
6 PORTA7/AN7/TX/PWM01 bidirectional PORTA7 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 7 analog input, UART transmit (TX), and PWM01 output.
7 PORTA6/AN6/RX/PWM0 bidirectional PORTA6 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 6 analog input, UART receive (RX), and PWM0 output.
8 GND power_in Power supply ground.
9 PORTA4/AN4/RX/CCP2 bidirectional PORTA4 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 4 analog input, UART receive (RX), and CCP2 input/output.
10 PORTA3/AN3/TX/CCP1 bidirectional PORTA3 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 3 analog input, UART transmit (TX), and CCP1 input/output.
11 PORTA2/AN2/PCK/VREF bidirectional PORTA2 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 2 analog input, internal high-frequency RC oscillator clock output PCK, and external reference voltage input VREF.
12 PORTA1/PGD/AN1/TX bidirectional PORTA1 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately programming data I/O PGD, ADC channel 1 analog input, and UART transmit (TX).
13 PORTA0/AN0/PGC/RX/FLT bidirectional PORTA0 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 0 analog input, programming clock/data I/O PGC, UART receive (RX), and PWM fault-detection input FLT.
14 VDD power_in Power supply input; the stated operating range is 1.5V to 5.5V at Fsys = 4MHz, 1.8V to 5.5V at 8MHz, and 4.5V to 5.5V at 16MHz.
15 PORTB7/AN15/OSCI/PWM0/CLKI bidirectional PORTB7 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately ADC channel 15 analog input, high-frequency crystal oscillator input OSCI, PWM0 output, and external clock input CLKI.
16 PORTB6/OSCO/PWM01/AN14 bidirectional PORTB6 is a general I/O port with programmable pull-up/pull-down and port-change interrupt, alternately high-frequency crystal oscillator output OSCO, PWM01 output, and ADC channel 14 analog input.

Key specifications

Parameter Value
Manufacturer holychip(芯圣电子)
Package SOP-16
Category Embedded Processors & Controllers
Pins 16

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Storage temperature -50 125 ℃ 94
Operating temperature -40 85 ℃ 94
Power supply voltage -0.3 6 V Printed as VSS-0.3V to VSS+6.0V (referenced to VSS) 94
Port input voltage -0.3 V Printed as VSS-0.3V to VDD+0.3V; upper limit not numeric 94
Operating voltage VDD VDD 1.8 5.5 V Fsys = 8MHz, 2T 94
Operating voltage VDD VDD 2.6 5.5 V Fsys = 16MHz, 2T 94
Sleep mode static current ISB4 1 μA VDD 3V; sleep mode, WDT disabled, no load 94
Input low voltage, input port VIL1 0.3 V Input port; printed as 0.3VDD (min printed as VSS) 94
Input high voltage, input port VIH1 0.7 V Input port; printed as 0.7VDD (max printed as VDD) 94
Input low voltage, Schmitt input port VIL2 0.2 V Schmitt input port; printed as 0.2VDD (min printed as VSS) 94
Input high voltage, Schmitt input port VIH2 0.8 V Schmitt input port; printed as 0.8VDD (max printed as VDD) 94
Low-voltage reset threshold VBOR1 1.4 1.5 1.6 V 1.5V 94
Low-voltage reset threshold VBOR2 1.7 1.8 1.9 V 1.8V 94
Low-voltage reset threshold VBOR3 1.9 2 2.1 V 2.0V 94
Low-voltage reset threshold VBOR4 2.1 2.2 2.3 V 2.2V 94
Low-voltage reset threshold VBOR5 2.3 2.4 2.5 V 2.4V 94
Low-voltage reset threshold VBOR6 2.6 2.7 2.8 V 2.7V 94
Low-voltage reset threshold VBOR7 3.5 3.6 3.7 V 3.6V 94
Low-voltage flag threshold VLVD1 2.3 2.4 2.5 V 95
Low-voltage flag threshold VLVD2 3.5 3.6 3.7 V 95
Internal pull-up resistance RPH1 5 10 15 kΩ VDD 5V; programmable pull-up (PA2 excluded) 95
Internal pull-down resistance RPD1 5 10 15 kΩ VDD 5V; programmable pull-down (PA2, PB5 excluded) 95
High-frequency internal RC oscillator FRCH 31.68 32 32.32 MHz VDD 5V 95
High-frequency internal RC oscillator FRCH 31.36 32 32.64 MHz VDD 2.0-5.5V 95
Low-frequency internal RC oscillator FRCL 16 32 48 KHz VDD 5V 95
External high-frequency crystal oscillator FOSH 4 20 MHz VDD 2.0~5.5V 95
VDD rise time TVDD 100 ms VDD 5V 95

CAD (KiCad official)

  • Symbol: HC16P122B1-S16B-T
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: hc16p122b1-s16b-t-etched.step / hc16p122b1-s16b-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hc16p122b1-s16b-t.step / hc16p122b1-s16b-t.glb are the bare package body.

Provenance

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

  • Datasheet: holychip(芯圣电子) datasheet (104 pp, sha256 b400a0a5bbbc1a92, retrieved 2026-10-18, 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