mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 146

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

Monitor ROM (MON)
Echoing
Break Signal
MC68HC08AZ60 — Rev 1.0
146
SENT TO
MONITOR
ECHO
0
READ
1
2
As shown in
received byte back to the PTA0 pin for error checking.
Any result of a command appears after the echo of the last byte of the
command.
A start bit followed by nine low bits is a break signal. (See
When the monitor receives a break signal, it drives the PTA0 pin high for
the duration of two bits before echoing the break signal.
Freescale Semiconductor, Inc.
3
MISSING STOP BIT
For More Information On This Product,
READ
4
Figure 5. Break Transaction
Figure 4. Read Transaction
5
Go to: www.freescale.com
Figure
6
ADDR. HIGH
Monitor ROM (MON)
7
4, the monitor ROM immediately echoes each
ADDR. HIGH
TWO-STOP-BIT DELAY BEFORE ZERO ECHO
0
ADDR. LOW
1
2
3
ADDR. LOW
4
5
6
RESULT
DATA
7
Figure
MOTOROLA
5).
6-mon