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參數資料
型號: W77E058A40PL
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, PQCC44
封裝: ROHS COMPLIANT, PLASTIC, LCC-44
文件頁數: 46/87頁
文件大小: 594K
代理商: W77E058A40PL
W77E058A
- 46 -
the device into Power Down mode and continues from there. When RGSL(EXIF.1) bit is set to 1, the
CPU will use the internal RC oscillator instead of crystal to exit Power Down mode. The
microcontroller will automatically switch from RC oscillator to crystal after clock is stable. The RC
oscillator runs at approximately 2
4 MHz. Using RC oscillator to exit from Power Down mode saves
the time for waiting crystal start-up. It is useful in the low power system which usually be awakened
from a short operation then returns to Power Down mode.
Table 5. Status of external pins during Idle and Power Down
MODE
PROGRAM
MEMORY
ALE
PSEN
PORT0
PORT1
PORT2
PORT3
Idle
Idle
Power Down
Power Down
Internal
External
Internal
External
1
1
0
0
1
1
0
0
Data
Float
Data
Float
Data
Data
Data
Data
Data
Address
Data
Data
Data
Data
Data
Data
相關PDF資料
PDF描述
W77E058A 8-BIT MICROCONTROLLER
W77E468F-25 8 BIT MICROCONTROLLER
W77E468F-40 8 BIT MICROCONTROLLER
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W77E516 8-BIT MICROCONTROLLER
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W77E468F-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W77E516 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER