参数资料
型号: MC38HC705J2
厂商: Motorola, Inc.
元件分类: DC/DC变换器
英文描述: RTS Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 3.3V; Power: 2W; Assembly; High Power Density; Optional Continuous Short Circuit Protected; Efficiency to 85%
中文描述: M68HC05系列系列8位微控制器单元
文件页数: 67/78页
文件大小: 427K
代理商: MC38HC705J2
MC68HC705J2
MC68HC05J1 EMULATION MODE
MOTOROLA
9-1
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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