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參數(shù)資料
| 型號(hào)： | W77E516F-25 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | QFP-44 |
| 文件頁(yè)數(shù)： | 18/85頁(yè) |
| 文件大小： | 596K |
| 代理商： | W77E516F-25 |
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Preliminary W77E516
- 18 -
BIT NAME
FUNCTION
P4xM1, P4xM0 Port 4 alternate modes.
= 00: Mode 0. P4.x is a general purpose I/O port which is the same as Port 1.
= 01: Mode 1. P4.x is a Read Strobe signal for chip select purpose. The
address range depends on the SFR P4xAH, P4xAL and bits P4xC1, P4xC0.
= 10: Mode 2. P4.x is a Write Strobe signal for chip select purpose. The
address range depends on the SFR P4xAH, P4xAL and bits P4xC1, P4xC0.
= 11: Mode 3. P4.x is a Read/Write Strobe signal for chip select purpose.
The address range depends on the SFR P4xAH, P4xAL and bits P4xC1,
P4xC0
P4xC1, P4xC0 Port 4 Chip-select Mode address comparison:
= 00: Compare the full address (16 bits length) with the base address registers
P4xAH and P4xAL.
= 01: Compare the 15 high bits (A15
A1) of address bus with the base
address registers P4xAH and P4xAL.
= 10: Compare the 14 high bits (A15
A2) of address bus with the base
address registers P4xAH and P4xAL.
= 11: Compare the 8 high bits (A15
A8) of address bus with the base
address registers P4xAH and P4xAL.
P4.0 Base Address Low Byte Register
Bit:
7
6
5
4
3
2
1
0
A7
A6
A5
A4
A3
A2
A1
A0
Mnemonic: P40AL
Address: 94h
P4.0 Base Address High Byte Register
Bit:
7
6
5
4
3
2
1
0
A15
A14
A13
A12
A11
A10
A9
A8
Mnemonic: P40AH
Address: 95h
P4.1 Base Address Low Byte Register
Bit:
7
6
5
4
3
2
1
0
A7
A6
A5
A4
A3
A2
A1
A0
Mnemonic: P41AL
Address: 96h
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W77E516F-40 | 8-BIT MICROCONTROLLER |
| W77E516P-25 | 8-BIT MICROCONTROLLER |
| W77E516P-40 | 8-BIT MICROCONTROLLER |
| W77E532 | 8 BIT MICROCONTROLLER |
| W77E58 | 8 BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W77E516F-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77E516P-25 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77E516P-40 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W77E532 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER |
| W77E532_07 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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