参数资料
型号: UPD78P0308YGF-3BA-A
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 5 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, LEAD FREE, PLASTIC, QFP-100
文件页数: 58/64页
文件大小: 2786K
代理商: UPD78P0308YGF-3BA-A
59
CHAPTER 4
PIN FUNCTION (
PD780308Y SUBSERIES)
User’s Manual U11377EJ3V0UD
(1) Port pins (2/2)
Pin Name
I/O
Function
After Reset
Alternate Function
I/O
Port 7.
3-bit I/O port.
Input/output mode can be specified in 1-bit units.
If used as an input port, an internal pull-up resistor can be used by
software.
P80 to P87
I/O
Port 8.
Input
S39 to S32
8-bit I/O port.
Input/output mode can be specified in 1-bit units.
If used as an input port, an internal pull-up resistor can be used by
software.
I/O port/segment signal output can be specified in 2-bit units by LCD
display control register (LCDC).
I/O
Port 9.
8-bit I/O port.
Input/output mode can be specified in 1-bit units.
If used as an input port, an internal pull-up resistor can be used by
software.
I/O port/segment signal output can be specified in 2-bit units by LCD
display control register (LCDC).
Port 10.
Input
4-bit I/O port.
Input/output mode can be specified in 1-bit units.
If used as an input port, an internal pull-up resistor can be used by
software.
LED can be driven directly.
P110
I/O
Port 11.
Input
SI3
P111
8-bit I/O port.
SO3
P112
Input/output mode can be specified in 1-bit units.
SCK3
P113
If used as an input port, an internal pull-up resistor can be used by
TxD
P114
software.
RxD
P115 to P117
Falling edge can be detected.
P70
Input
SI2/RxD
P71
SO2/TxD
P72
SCK2/ASCK
P90 to P97
Input
S31 to S24
P100 to P103
I/O
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