XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 334

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

Development Support
Data Sheet
334
The tag follows the information in the queue as the queue is advanced. When a
tagged instruction reaches the head of the queue, the CPU enters active
background debug mode rather than executing the instruction. This is the
mechanism by which a development system initiates hardware breakpoints.
Currently, the tool configuration shown in
TAGHI
1
1
0
0
Development Support
Figure 18-16. BDM Tool Connector
Table 18-10. Tag Pin Function
BKGD
TAGLO
V
NC
FP
1
0
1
0
1
3
5
Figure 18-16
2
4
6
GND
RESET
V
DD
Both bytes
High byte
Low byte
No tag
is used.
Tag
M68HC12B Family — Rev. 8.0
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