參數(shù)資料
型號: W78E62B
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 9/34頁
文件大小: 393K
代理商: W78E62B
W78E62B
Publication Release Date: June 1999
- 9 -
Revision A1
P4CONA (C2H)
BIT
7, 6
NAME
P41FUN1
P41FUN0
P41CMP1
P41CMP0
P40FUN1
P40FUN0
P40CMP1
P40CMP0
FUNCTION
The P4.1 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.1 address comparator length control bits which are the similar
definition as P43CMP1, P43CMP0.
The P4.0 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.0 address comparator length control bits which are the similar
definition as P43CMP1, P43CMP0.
5, 4
3, 2
1, 0
Port 4 Base Address Registers
P40AH, P40AL:
The Base address register for comparator of P4.0. P40AH contains the high-order byte of address,
P40AL contains the low-order byte of address.
P41AH, P41AL:
The Base address register for comparator of P4.1. P41AH contains the high-order byte of address,
P41AL contains the low-order byte of address.
P42AH, P42AL:
The Base address register for comparator of P4.2. P42AH contains the high-order byte of address,
P42AL contains the low-order byte of address.
P43AH, P43AL:
The Base address register for comparator of P4.3. P43AH contains the high-order byte of address,
P43AL contains the low-order byte of address.
The SFR for Port 4
P4 (D8H)
BIT
7
6
5
4
3
2
1
0
NAME
-
-
-
-
P43
P42
P41
P40
FUNCTION
Reserve
Reserve
Reserve
Reserve
Port 4 Data bit which outputs to pin P4.3 at mode 0.
Port 4 Data bit. which outputs to pin P4.2 at mode 0.
Port 4 Data bit. which outputs to pin P4.1at mode 0.
Port 4 Data bit which outputs to pin P4.0 at mode 0.
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