參數(shù)資料
型號： UPD784907GF-XXX-3BA
廠商： NEC Corp.
英文描述： 16-Bit Microcontroller
中文描述： 16位微控制器
文件頁數(shù)： 16/98頁
文件大?。?/td> 657K
代理商： UPD784907GF-XXX-3BA
μ
PD784907, 784908
16
Data Sheet U11680EJ2V0DS00
6.2 Non-Port Pins (1/2)
Pin Name
I/O
Alternate Function
Function
TO0 to TO3
Output
P34 to P37
Timer output
CI
Input
P23/INTP2
Input of a count clock for timer/counter 2
RxD
Input
P30/SI1
Serial data input (UART0)
RxD2
P13/SI2
Serial data input (UART2)
TxD
Output
P31/SO1
Serial data output (UART0)
TxD2
P14/SO2
Serial data output (UART2)
ASCK
Input
P25/INTP4/SCK1
Baud rate clock input (UART0)
ASCK2
P12/SCK2
Baud rate clock input (UART2)
SI0
Input
P27
Serial data input (3-wire serial I/O 0)
SI1
P30/RxD
Serial data input (3-wire serial I/O 1)
SI2
P13/RxD2
Serial data input (3-wire serial I/O 2)
SI3
P106
Serial data input (3-wire serial I/O 3)
SO0
Output
P33
Serial data output (3-wire serial I/O 0)
SO1
P31/TxD
Serial data output (3-wire serial I/O 1)
SO2
P14/TxD2
Serial data output (3-wire serial I/O 2)
SO3
P107
Serial data output (3-wire serial I/O 3)
SCK0
I/O
P32
Serial clock I/O (3-wire serial I/O 0)
SCK1
P25/INTP4/ASCK
Serial clock I/O (3-wire serial I/O 1)
SCK2
P12/ASCK2
Serial clock I/O (3-wire serial I/O 2)
SCK3
P105
Serial clock I/O (3-wire serial I/O 3)
NMI
Input
P20
External interrupt
—
INTP0
P21
request
Input of a count clock for timer/counter 1
Capture/trigger signal for CR11 or CR12
INTP1
P22
Input of a count clock for timer/counter 2
Capture/trigger signal for CR22
INTP2
P23/CI
Input of a count clock for timer/counter 2
Capture/trigger signal for CR21
INTP3
P24
Input of a count clock for timer/counter 0
Capture/trigger signal for CR02
INTP4
P25/ASCK/SCK1
—
INTP5
P26
Input of a conversion start trigger for A/D converter
AD0 to AD7
I/O
P40 to P47
Time multiplexing address/data bus (for connecting external memory)
A8 to A15
Output
P50 to P57
High-order address bus (for connecting external memory)
A16 to A19
Output
P60 to P63
High-order address bus during address expansion (for connecting external
memory)
RD
Output
P64
Strobe signal output for reading the contents of external memory
WR
Output
P65
Strobe signal output for writing on external memory
WAIT
Input
P66/HLDRQ
Wait insertion
REFRQ
Output
P67/HLDAK
Refresh pulse output to external pseudo static memory
HLDRQ
Input
P66/WAIT
Input of bus hold request
HLDAK
Output
P67/REFRQ
Output of bus hold response
ASTB
Output
CLKOUT
Latch timing output of time multiplexing address (A0 to A7) (for connecting
external memory)
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