Holtek BS66F340 - Page 20

Rev. 1.60 20 August 20, 2019 Rev. 1.60 21 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
PE5/CTCK1/
OSC2
PE5
PEPU
PES1
ST CMOS General purpose I/O. Register enabled pull-up.
CTCK1 PES1 ST — CTM1 clock input
OSC2 PES1 — HXT HXT oscillator pin
PE6/CTP1
PE6
PEPU
PES1
ST CMOS General purpose I/O. Register enabled pull-up.
CTP1 PES1 — CMOS CTM1 output
PE7/CTP1B
PE7
PEPU
PES1
ST CMOS General purpose I/O. Register enabled pull-up.
CTP1B PES1 — CMOS CTM1 inverted output
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
BS66F360
Pad Name Function OPT I/T O/T Description
PA0/SDO/
ICPDA/
OCDSDA
PA0
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
SDO PAS0 — CMOS SPI data output
ICPDA — ST CMOS ICP Data/Address pin
OCDSDA — ST CMOS OCDS Data/Address pin, for EV chip only.
PA1/CTP0
PA1
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
CTP0 PAS0 — CMOS CTM0 output
PA2/SCS/
ICPCK/
OCDSCK
PA2
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
SCS
PAS0
IFS
ST CMOS SPI slave select
ICPCK — ST CMOS ICP Clock pin
OCDSCK — ST — OCDS Clock pin, for EV chip only.
PA3/SCS/XT1
PA3
PAWU
PAPU
PAS0
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
SCS
PAS0
IFS
ST CMOS SPI slave select
XT1 PAS0 LXT — LXT oscillator pin
PA4/SDO/
XT2
PA4
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
SDO PAS1 — CMOS SPI data output
XT2 PAS1 — LXT LXT oscillator pin
PA5/CTP0B
PA5
PAWU
PAPU
PAS1
ST CMOS General purpose I/O. Register enabled pull-up and wake-up.
CTP0B PAS1 — CMOS CTM0 inverted output