mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 124
mc68hc908bd48
Manufacturer Part Number
mc68hc908bd48
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908BD48.pdf
(288 pages)
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Monitor ROM (MON)
9.4.6 Baud Rate
Data Sheet
124
The communication baud rate is controlled by crystal frequency and the
state of the PTC3 pin upon entry into monitor mode. When PTC3 is high,
the divide by ratio is 1024. If the PTC3 pin is at logic zero upon entry into
monitor mode, the divide by ratio is 512.
Description
Returned
Operand
Opcode
Data
Crystal Frequency
19.66 MHz
Table 9-8. RUN (Run User Program) Command
9.83 MHz
9.83 MHz
Executes RTI instruction
None
None
$28
Table 9-9. Monitor Baud Rate Selection
Monitor ROM (MON)
ECHO
Command Sequence
SENT TO
MONITOR
RUN
PTC3 Pin
0
0
1
RUN
MC68HC908BD48
Freescale Semiconductor
Baud Rate
19200 bps
9600 bps
4800 bps
—
Rev. 2.1
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