D78F9189CT 查看數據表（PDF） - NEC => Renesas Technology
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D78F9189CT Datasheet PDF : 247 Pages
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CHAPTER 2 PIN FUNCTIONS
(2) Non-port pins
Pin Name
INTP0
INTP1
INTP2
INTP3
SI20
SO20
SCK20
SS20
ASCK20
RxD20
TxD20
TI80
TI81
TO80
TO81
TO82
TO90
CPT90
BZO90
ANI0 to
ANI3
X1
X2
RESET
VDD
VSS
IC0
VPP
I/O
Input
Function
External interrupt input for which the valid edge (rising edge,
falling edge, or both rising and falling edges) can be specified
Input
Output
I/O
Input
Input
Input
Output
Input
Input
Output
Output
Output
Output
Input
Output
Input
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
Capture edge input
Buzzer output
A/D converter analog input
Input
−
Input
−
−
−
−
Connecting crystal resonator for main system clock
oscillation
System reset input
Positive power supply
Ground potential
Internally connected. Connect this pin directly to the VSS pin.
This pin is used to set flash memory programming mode and
applies a high voltage when a program is written or verified.
In normal operation mode, connect this pin directly to the VSS.
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
P30/INTP0/TI81
P33/INTP3/TO82
P60 to P63
−
−
−
−
−
−
−
User’s Manual 2nd edition
23
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