參數(shù)資料
型號: MC68HSC05J1A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 59/128頁
文件大?。?/td> 1620K
代理商: MC68HSC05J1A
Low-Power Modes
Data-Retention Mode
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
Low-Power Modes
59
6.6 Data-Retention Mode
In data-retention mode, the MCU retains random-access memory (RAM)
contents and CPU register contents at V
DD
voltages as low as 2.0 Vdc.
The data-retention feature allows the MCU to remain in a low
power-consumption state during which it retains data, but the CPU
cannot execute instructions.
To put the MCU in data-retention mode:
1.
Drive the RESET pin to logic 0.
2.
Lower the V
DD
voltage. The RESET pin must remain low
continuously during data-retention mode.
To take the MCU out of data-retention mode:
1.
Return V
DD
to normal operating voltage.
Return the RESET pin to logic 1.
2.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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