參數(shù)資料
型號(hào): UPD75004
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 10/66頁
文件大?。?/td> 542K
代理商: UPD75004
μ
PD75004, 75006, 75008
10
P60
P61
P62
P63
P70
P71
P72
P73
P80
P81
KR0
KR1
KR2
KR3
KR4
KR5
KR6
KR7
G
G
Input/
Output
Input/
Output
Input/
Output
Also Served
As
3.1
PORT PINS (2/2)
Input/
Output
Circuit
TYPE*
1
Programmable 4-bit input/output port
(PORT6)
This port can be specified for input/
output in bit units.
Internal pull-up resistors can be
specified in 4-bit units by software.
Input
F -A
4-bit input/output port (PORT7)
Internal pull-up resistors can be
specified in 4-bit units by software.
Input
F -A
Pin Name Input/Output
Function
8-Bit I/O
When Reset
2-bit input/output port (PORT8)
Internal pull-up resistors can be
specified in 2-bit units by software.
X
Input
E-B
*1: Circles indicate Schmitt trigger inputs.
2: Can directly drive LED.
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