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參數(shù)資料
| 型號： | W87LE58 |
| 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)： | 9/31頁 |
| 文件大?。?/td> | 426K |
| 代理商： | W87LE58 |
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Preliminary W78LE58
Publication Release Date: June 2000
- 9 -
Revision A1
P4CONB (C3H), continued
BIT
5, 4
NAME
P43CMP1
P43CMP0
FUNCTION
Chip-select signals address comparison:
00: Compare the full address (16 bits length) with the base address register
P43AH, P43AL.
01: Compare the 15 high bits (A15
A1) of address bus with the base address
register P43AH, P43AL.
10: Compare the 14 high bits (A15
A2) of address bus with the base address
register P43AH, P43AL.
11: Compare the 8 high bits (A15
A8) of address bus with the base address
register P43AH, P43AL.
The P4.2 function control bits which are the similar definition as P43FUN1,
P43FUN0.
The P4.2 address comparator length control bits which are the similar
definition as P43CMP1, P43CMP0.
3, 2
P42FUN1
P42FUN0
P42CMP1
P42CMP0
1, 0
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
P2ECON (AEH)
BIT
7
NAME
P43CSINV The active polarity of P4.3 when pin P4.3 is defined as read and/or write strobe
signal.
= 1: P4.3 is active high when pin P4.3 is defined as read and/or write strobe signal.
= 0: P4.3 is active low when pin P4.3 is defined as read and/or write strobe signal.
P42CSINV The similarity definition as P43SINV.
P41CSINV The similarity definition as P43SINV.
P40CSINV The similarity definition as P43SINV.
-
Reserve
-
Reserve
-
0
-
0
FUNCTION
6
5
4
3
2
1
0
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