MC68HC05E6FB 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC68HC05E6FB

HCMOS Microcontroller Unit

Freescale Semiconductor 

Freescale Semiconductor, Inc.

Modes of Operation and Pin Descriptions

NOTE:

For the MC68HC705E6, all vectors are fetched from EPROM in single

chip mode; therefore, the EPROM must be programmed (via the

bootloader mode) before the device is powered up in single chip mode.

EPROM

bootloader mode

for the

MC68HC705E6

This mode is used for programming the on-board EPROM. The pin

assignments are identical to those of single chip mode (see Figure 3).

Because the addresses in the MC68HC705E6 and the external EPROM

containing the user code are incremented independently, it is essential

that the data layout in the 27256 EPROM conforms exactly to the

MC68HC705E6 memory map.

MC68HC05E6 — Rev. 1.0

2-pin

Modes of Operation and Pin Descriptions

For More Information On This Product,

Go to: www.freescale.com

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