參數(shù)資料
型號(hào)： μPD78064B(A)
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(jī)微控制器
文件頁數(shù)： 12/66頁
文件大?。?/td> 395K
代理商： ΜPD78064B(A)
12
μ
PD78064B(A)
3.1
Port Pins (2/2)
Pin Name
I/O
Function
After Reset
Alternate
function
P80 to P87
Input/
output
Port 8
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input/output port/segment signal output function can be specified
in 2-bit unit by the LCD display control register (LCDC).
Input
S39 to S32
P90 to P97
Input/
output
Port 9
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Input/output port/segment signal output function can be specified
in 2-bit unit by the LCD display control register (LCDC).
Input
S31 to S24
P100 to P103
Input/
output
Port 10
4-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by software.
LEDs can be driven directly.
Input
—
P110 to P117
Input/
output
Port 11
8-bit input/output port.
Input/output can be specified bit-wise.
When used as an input port, an on-chip pull-up resistor can be
used by software.
Falling edge detection capability.
Input
—
Caution
For pins which also function as port pins, do not perform the following operations during A/D
conversion. If these operations are performed, the total error ratings cannot be kept (except for LCD
segment output alternate-function pin).
(1) Rewriting the output latch while the pin is used as a port pin.
(2) Changing the output level of the pin used as an output pin, even if it is not used as a port pin.
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