Holtek BS66F340 - Page 16

Rev. 1.60 16 August 20, 2019 Rev. 1.60 17 August 20, 2019
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
Pad Name Function OPT I/T O/T Description
PC0/KEY5
PC0
PCPU
PCS0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY5 PCS0 AN — Touch key input
PC1/KEY6
PC1
PCPU
PCS0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY6 PCS0 AN — Touch key input
PC2/KEY7
PC2
PCPU
PCS0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY7 PCS0 AN — Touch key input
PC3/KEY8
PC3
PCPU
PCS0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY8 PCS0 AN — Touch key input
PE0/KEY9
PE0
PEPU
PES0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY9 PES0 AN — Touch key input
PE1/KEY10
PE1
PEPU
PES0
ST CMOS General purpose I/O. Register enabled pull-up.
KEY10 PES0 AN — Touch key input
PE2/STPI/
STP/KEY11
PE2
PEPU
PES0
ST CMOS General purpose I/O. Register enabled pull-up.
STPI
PES0
IFS
ST — STM capture input
STP PES0 — CMOS STM output
KEY11 PES0 AN — Touch key input
PE3/STPI/
STPB/
KEY12
PE3
PEPU
PES0
ST CMOS General purpose I/O. Register enabled pull-up.
STPI
PES0
IFS
ST — STM capture input
STPB PES0 — CMOS STM inverted output
KEY12 PES0 AN — Touch key input
PE4/OSC1
PE4
PEPU
PES1
ST CMOS General purpose I/O. Register enabled pull-up.
OSC1 PES1 HXT — HXT oscillator pin
PE5/CTP1B/
OSC2
PE5
PEPU
PES1
ST CMOS General purpose I/O. Register enabled pull-up.
CTP1B PES1 — CMOS CTM0 inverted output
OSC2 PES1 — HXT HXT oscillator pin
VDD VDD — PWR — Positive power supply
VSS VSS — PWR — Negative power supply, ground.
Legend: I/T: Input type; O/T: Output type;
OPT: Optional by register option; PWR: Power;
ST: Schmitt Trigger input; AN: Analog signal;
CMOS: CMOS output; NMOS: NMOS output;
HXT: High frequency crystal oscillator;
LXT: Low frequency crystal oscillator