MC68HC908JL8 MOTOROLA [Motorola, Inc], MC68HC908JL8 Datasheet - Page 117
MC68HC908JL8
Manufacturer Part Number
MC68HC908JL8
Description
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Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JL8.pdf
(288 pages)
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9.1 Contents
9.2 Introduction
MC68HC908JL8
MOTOROLA
Technical Data – MC68HC908JL8
—
Rev. 2.0
9.2
9.3
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.5
9.6
9.6.1
9.6.2
9.6.3
9.6.4
9.6.5
9.6.6
9.6.7
9.6.8
This section describes the monitor ROM (MON) and the monitor mode
entry methods. The monitor ROM allows complete testing of the MCU
through a single-wire interface with a host computer. This mode is also
used for programming and erasing of FLASH memory in the MCU.
Monitor mode entry can be achieved without use of the higher test
voltage, V
thus reducing the hardware requirements for in-circuit programming.
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
ROM-Resident Routines. . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Entering Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Echoing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Break Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
PRGRNGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
ERARNGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
LDRNGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
MON_PRGRNGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
MON_ERARNGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
MON_LDRNGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
EE_WRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
EE_READ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
TST
Go to: www.freescale.com
, as long as vector addresses $FFFE and $FFFF are blank,
Monitor ROM (MON)
Section 9. Monitor ROM (MON)
Technical Data
117