參數資料
型號: μPD78F0974
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數: 10/40頁
文件大?。?/td> 232K
代理商: ΜPD78F0974
10
m
PD78F0974
2.
PIN FUNCTIONS
2.1
Port Pins
P00 to P02
I/O
Port 0
Input
INTP0 to INTP2
P03 to P07
8-bit input/output port.
Input/output can be specified bit-wise.
When used an input port, an internal pull-up resistor can be
connected by software.
P10 to P14
Input
Port 1
Input
ANI0 to ANI4
5-bit input only port.
P20 to P23
Output
Port 2
Hi-Z
SM11 to SM14
P24 to P27
8-bit output only port.
SM21 to SM24
P30 to P33
Output
Port 3
Hi-Z
SM31 to SM34
P34 to P37
8-bit output only port.
SM41 to SM44
P40 to P42
I/O
Port 4
Input
TI00 to TI02
5-bit input/output port.
P43, P44
Input/output can be specified bit-wise.
TIO2, TIO3
P50
I/O
Port 5
Input
SCK
P51
5-bit input/output port.
SO
P52
Input/output can be specified bit-wize.
SI
P53
RxD
P54
TxD
P60
I/O
Port 6
Input
PCL/SGOA
P61
2-bit input/output port.
SGO/SGOF
Input/output can be specified bit-wise.
P81
I/O
Port 8
Input
S19/TPO
P82 to P87
7-bit input/output port.
S18 to S13
Input/output can be specified bit-wise.
Input/output port/segment signal output function can be specified
in 2-bit unit by the LCD display control register (LCDC).
P90 to P97
I/O
Port 9
Input
S12 to S5
8-bit input/output port.
Input/output can be specified bit-wise.
Input/output port/segment signal output function can be specified
in 2-bit unit by the LCD display control register (LCDC).
Alternate
Function
Pin Name
I/O
Function
After Reset
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