參數(shù)資料
型號(hào): MC68HC705JP7CDW
廠商: Freescale Semiconductor
文件頁數(shù): 115/164頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 28-SOIC
標(biāo)準(zhǔn)包裝: 26
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 2.1MHz
連通性: SIO
外圍設(shè)備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 22
程序存儲(chǔ)器容量: 6KB(6K x 8)
程序存儲(chǔ)器類型: OTP
RAM 容量: 224 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
包裝: 管件
Operating Modes
MC68HC705JJ7 MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
54
Freescale Semiconductor
6.3.4 Data-Retention Mode
In the data-retention mode, the MCU retains random-access memory (RAM) contents and CPU register
contents at VDD 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.
Current consumption in this mode is not tested.
To put the MCU in the data retention mode:
1.
Drive the RESET pin to a logic 0.
2.
Lower the VDD voltage. The RESET pin must remain low continuously during data retention mode.
To take the MCU out of the data retention mode:
1.
Return VDD to normal operating voltage.
2.
Return the RESET pin to a logic 1.
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參數(shù)描述
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