mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 472

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 16 Debug Module (DBGV1)
472
BKP READ
DATA BUS
DATA BUS
WRITE
EXPANSION ADDRESS
ADDRESS
WRITE DATA
READ DATA
CONTROL SIGNALS
. . . . . .
CLOCKS AND
REGISTER BLOCK
BKPCT0
BKPCT1
BKP0X
BKP0H
BKP1X
BKP1H
BKP0L
BKP1L
Figure 16-1. DBG Block Diagram in BKP Mode
MC9S12E256 Data Sheet, Rev. 1.08
COMPARE BLOCK
AND GENERATION OF SWI,
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
COMPARATOR
FORCE BDM, AND TAGS
BREAKPOINT MODES
CONTROL BLOCK
EXPANSION ADDRESSES
EXPANSION ADDRESSES
DATA/ADDRESS
DATA/ADDRESS
READ DATA HIGH
HIGH MUX
READ DATA LOW
LOW MUX
ADDRESS HIGH
ADDRESS LOW
. . . . . .
BKP CONTROL
SIGNALS
DATA HIGH
ADDRESS HIGH
DATA LOW
ADDRESS LOW
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