參數(shù)資料
型號(hào): MC68HC05P8EVS
廠商: Motorola, Inc.
英文描述: HCMOS MICROCONTROLLER UNIT
中文描述: HCMOS微控制器
文件頁(yè)數(shù): 42/82頁(yè)
文件大?。?/td> 327K
代理商: MC68HC05P8EVS
MOTOROLA
6-6
MEMORY
MC68HC705J2
Rev. 2
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6.2 Data Retention Mode
In data retention mode, the MCU retains 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 zero.
2.
Lower the V
DD
voltage. The RESET line 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.
2.
Return the RESET pin to logical one.
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