M68ICS08GR datasheet(199/408 Pages) FREESCALE

Part #	M68ICS08GR

Description	M68HC08 Microcontrollers

PDF	408 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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Monitor ROM (MON)

Functional Description

MC68HC908GR8 — Rev 4.0

Technical Data

MOTOROLA

Monitor ROM (MON)

199

A brief description of each monitor mode command is given in Table 15-

4 through Table 15-9.

Table 15-4. READ (Read Memory) Command

Description

Read byte from memory

Operand

2-byte address in high-byte:low-byte order

Data

Returned

Returns contents of specified address

Opcode

$4A

Command Sequence

Table 15-5. WRITE (Write Memory) Command

Description

Write byte to memory

Operand

2-byte address in high-byte:low-byte order; low byte followed by

data byte

Data

Returned

None

Opcode

$49

Command Sequence

READ

ECHO

SENT TO

MONITOR

ADDRESS

HIGH

ADDRESS

HIGH

ADDRESS

LOW

DATA

RETURN

ADDRESS

LOW

WRITE

ECHO

FROM

HOST

ADDRESS

HIGH

ADDRESS

HIGH

ADDRESS

LOW

ADDRESS

LOW

DATA

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M68ICS08GR Datasheet(PDF) 199 Page - Freescale Semiconductor, Inc

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