MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 101
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MC68HC908JK3
Manufacturer Part Number
MC68HC908JK3
Description
MC68HC908JK1
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908JK3.pdf
(210 pages)
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9.1 Contents
9.2 Introduction
MC68H(R)C908JL3
MOTOROLA
Technical Data — MC68H(R)C908JL3
—
Rev. 1.0
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
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
blank, thus reducing the hardware requirements for in-circuit
programming.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Entering Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Echoing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Break Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
DD
+ V
Monitor ROM (MON)
HI
, as long as vector addresses $FFFE and $FFFF are
Section 9. Monitor ROM (MON)
Technical Data
101