Holtek BS67F340 Manual page 25

BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
Pad Name
PE0/SEG8
PE1/OSC1/SEG9
PE2/STPI/STP/OSC2/
SEG10
PE3/STPI/STPB/SEG11
PE4/SEG12
PE5/CTCK1/SEG13
PE6/CTP1/SEG14
PE7/CTP1B/SEG15
SEG1�~SEG31
COM0~COM3
V1
PLCD
VMAX
VDD
VSS
Legend: I/T: Input type
OPT: Optional by register option
ST: Schmitt Trigger input
CMOS: CMOS output
HXT: High frequency crystal oscillator
LXT: Low frequency crystal oscillator
Rev. 1.40
Function OPT I/T O/T
PEPU
PE0 ST CMOS General purpose I/O. Register enabled pull-up.
PES0
SEG8 PES0 — AN
PEPU
PE1 ST CMOS General purpose I/O. Register enabled pull-up.
PES0
OSC1 PES0 HXT —
SEG9 PES0 — AN
PEPU
PE� ST CMOS General purpose I/O. Register enabled pull-up.
PES0
PES0
STPI ST —
IFS
STP PES0 — CMOS STM output
OSC� PES0 — HXT
SEG10 PES0 — AN
PEPU
PE3 ST CMOS General purpose I/O. Register enabled pull-up.
PES0
PES0
STPI ST —
IFS
STPB PES0 — CMOS STM inve�ted output
SEG11 PES0 — AN
PEPU
PE4 ST CMOS General purpose I/O. Register enabled pull-up.
PES1
SEG1� PES1 — AN
PEPU
PE� ST CMOS General purpose I/O. Register enabled pull-up.
PES1
CTCK1 PES1 ST —
SEG13 PES1 — AN
PEPU
PE� ST CMOS General purpose I/O. Register enabled pull-up.
PES1
CTP1 PES1 — CMOS CTM1 output
SEG14 PES1 — AN
PEPU
PE7 ST CMOS General purpose I/O. Register enabled pull-up.
PES1
CTP1B PES1 — CMOS CTM1 inve�ted output
SEG1� PES1 — AN
SEGn LCDC0 — AN
COMn LCDC0 — AN
V1 — — AO
PLCD — PWR —
VMAX — PWR —
VDD — PWR —
VSS — PWR —
O/T: Output type
PWR: Power
AN: Analog signal
NMOS: NMOS output
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Description
LCD seg�ent output
HXT oscillator pin
LCD seg�ent output
STM �aptu�e input
HXT oscillator pin
LCD seg�ent output
STM �aptu�e input
LCD seg�ent output
LCD seg�ent output
CTM1 �lo�k input
LCD seg�ent output
LCD seg�ent output
LCD seg�ent output
LCD seg�ent output
LCD �o��on output
LCD voltage pu�p
LCD powe� supply
IC �axi�u� voltage� �onne�ted to VDD� PLCD
o� V1.
Positive powe� supply
Negative power supply, ground.
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