參數(shù)資料
型號: UPD75048GC
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數(shù): 10/68頁
文件大小: 538K
代理商: UPD75048GC
10
μ
PD75048
P60
P61
P62
P63
P70
P71
P72
P73
P80-83
P90-93
P100
P101
P102
P103
P110
P111
P112
P113
KR0
KR1
KR2
KR3
KR4
KR5
KR6
KR7
MAR
MAI
MAZ
MAT
AN0
AN1
AN2
AN3
Also Served
As
(cont'd)
Input/
Output
Circuit
TYPE*
1
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input/
Output
Input
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
Input
4-bit input/output port(PORT8)
Internal pull-up resistors can be
specified in 4-bit units by software.
E-B
Input
E-D
X
4-bit input/output port(PORT9)
Internal pull-down resistors can be
specified in 4-bit units by software.
N-ch open-drain 4-bit input/output port
(PORT10)
Internal pull-up resistors can be
specified in bit units (by mask option).
Resistive voltage is 10V in the open-
drain mode.
M
4-bit input port(PORT11)
Input
Y-A
X
*1: Circles indicate Schmitt trigger inputs.
Pin Name Input/Output
Function
8-Bit I/O
When Reset
High level
(with internal
pull-up
resistor) or
high imped-
ance
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