參數(shù)資料
型號: μPD780988
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(shù): 11/48頁
文件大小: 256K
代理商: ΜPD780988
11
μ
PD780984, 780986, 780988
3. PIN FUNCTION LIST
3.1 Port Pins
Pin Name
I/O
Function
After Reset
Alternate
Function
P00
INTP0/TOFF7
P01
INTP1
P02
INTP2
P03
I/O
Port 0.
4-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
INTP3/ADTRG
P10 to P17
Input
Port 1.
8-bit input dedicated port.
Input
ANI0 to ANI7
P20
RxD00
P21
TxD00
P22
RxD01
P23
TxD01
P24
TI50/TO50
P25
TI51/TO51
P26
I/O
Port 2.
7-bit I/O port.
Input/output can be specified in 1-bit units
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
TI52/TO52
P30 to P37
I/O
Port 3.
8-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
RTP0 to RTP7
P40 to P47
I/O
Port 4.
8-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
AD0 to AD7
P50
P51
SCK
P52
SI
P53
SO
P54
INTP4/TI000/TO00
P55
INTP5/TI010
P56
INTP6/TI001/TO01
P57
I/O
Port 5.
8-bit I/O port.
Input/output can be specified in 1-bit units.
LEDs can be driven directly.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
INTP7/TI011
P64
RD
P65
WR
P66
WAIT
P67
I/O
Port 6.
4-bit I/O port.
Input/output can be specified in 1-bit units.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input
ASTB
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