UPD78F9188CT Datasheet, PDF (6/9 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F9189/9188CT
3.2 Non-Port Pins
Pin Name
I/O
INTP0
Input
INTP1
INTP2
INTP3
SI20
Input
SO20
Output
SCK20
I/O
SS20
Input
ASCK20
Input
RxD20
Input
TxD20
Output
TI80
Input
TI81
Input
TO80
TO81
TO82
TO90
BZO90
CPT90
ANI0 to
ANI3
X1
X2
VDD
VSS
RESET
VPP
Output
Output
Output
Output
Output
Input
Input
Input
−
−
−
Input
−
IC
−
Function
External interrupt input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be
specified
Serial data input to serial interface
Serial data output from serial interface
Serial clock input/output for serial interface
Chip select input to serial interface
Serial clock input for asynchronous serial interface
Serial data input for asynchronous serial interface
Serial data output for asynchronous serial interface
External count clock input to 8-bit timer/event counter
(TM80)
External count clock input to 8-bit timer/event counter
(TM81)
8-bit timer/event counter (TM80) output
8-bit timer/event counter (TM81) output
8-bit timer (TM82) output
16-bit timer (TM90) output
16-bit timer (TM90) Buzzer output
Capture edge input
A/D converter analog input
Connecting crystal resonator for main system clock
oscillation
Positive power supply
Ground potential
System reset input
Sets flash memory programming mode. Applies high
voltage when a program is written or verified. Connect
directly to VSS in normal operation mode.(ЖPD78F9189CT)
Sets test mode. Applies Vdd voltage when test mode.
Connect directly to VSS in normal operation mode.
(ЖPD789188CT)
After Reset
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
−
−
−
−
Input
−
−
Alternate Function
P30/TI81/CPT90
P31/TO81
P32/TO90
P33/TO82/BZO90
P22/RxD20
P21/TxD20
P20/ASCK20
P25/TI80
P20/SCK20
P22/SI20
P21/SO20
P25/SS20
P30/INTP0/CPT90
P26
P31/INTP1
P33/INTP3/BZO90
P32/INTP2
P33/INTP3/TO82
P30/INTP0/TI81
P60 to P63
−
−
−
−
−
−
−
6
Data Sheet (1st edition)valid in only China