MC9S12T64 Datasheet, PDF (534/608 Pages) Motorola, Inc – Specification

Freescale Semiconductor, Inc.
Fast Background Debug Module (FBDM)
Command
READ_NEXT
READ_PC
READ_D
READ_X
READ_Y
READ_SP
WRITE_NEXT
WRITE_PC
WRITE_D
WRITE_X
WRITE_Y
WRITE_SP
GO
TRACE1
TAGGO
Table 99 Firmware Commands
Opcode
(hex)
Data
62
16-bit data out
63
16-bit data out
64
16-bit data out
65
16-bit data out
66
16-bit data out
67
16-bit data out
42
16-bit data in
43
16-bit data in
44
16-bit data in
45
16-bit data in
46
16-bit data in
47
16-bit data in
08
none
10
none
18
none
Description
Increment X by 2 (X = X + 2), then read word X points to.
Read program counter.
Read D accumulator.
Read X index register.
Read Y index register.
Read stack pointer.
Increment X by 2 (X=X+2), then write word to location
pointed to by X.
Write program counter.
Write D accumulator.
Write X index register.
Write Y index register.
Write stack pointer.
Go to user program.
Execute one user instruction then return to active BDM.
Enable tagging and go to user program.
MC9S12T64Revision 1.1.1
Fast Background Debug Module (FBDM)
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