參數(shù)資料
型號: MC68HC705J2VP
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS MICROCONTROLLER UNIT
中文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 51/82頁
文件大?。?/td> 327K
代理商: MC68HC705J2VP
MC68HC705J2
Rev. 2
MC68HC05J1 EMULATION MODE
MOTOROLA
9-1
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SECTION 9
MC68HC05J1 EMULATION MODE
This section describes how to use the MC68HC05J1 emulation mode to achieve
compatibility with MC68HC05J1 devices.
9.1 Bootloading
Use the bootloader function to put the MCU in MC68HC05J1 emulation mode. To
activate the emulation mode:
1.
Connect pin PB5 to V
DD
in the bootloader circuit.
2.
Program the J1 bit (in the mask option register) high.
9.2 MC68HC05J1 Emulation
In MC68HC05J1 emulation mode, the MCU operates as an MC68HC05J1 with the
following exceptions:
The emulation mode does not support the RC oscillator mask option of the
MC68HC05J1.
The emulation mode does not support the STOP disable mask option of the
MC68HC05J1.
The emulation mode has no self-check function.
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