参数资料
型号: MC68HC705J2CP
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP20
封装: PLASTIC, DIP-20
文件页数: 47/82页
文件大小: 2545K
代理商: MC68HC705J2CP
MC68HC05J1 EMULATION MODE
Rev. 2
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 VDD 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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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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