mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 178

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Background Debug Module (S12SBDMV1)
5.3.2
A summary of the registers associated with the BDM is shown in
host-driven communications to the BDM hardware using READ_BD and WRITE_BD commands.
178
0x3_FF00
0x3_FF01
0x3_FF02
0x3_FF03
0x3_FF04
0x3_FF05
0x3_FF06
0x3_FF07
Address
Global
Register Descriptions
BDMCCR
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
BDMSTS
Register
Name
0x3_FF0C–0x3_FF0E
0x3_FF00–0x3_FF0B
0x3_FF10–0x3_FFFF
Global Address
0x3_FF0F
W
W
W
W
W
W
W
W
R
R
R
R
R
R
R
R
ENBDM
CCR7
Bit 7
X
X
X
X
X
X
0
MC9S12VR Family Reference Manual,
Preliminary - Subject to Change Without Notice
Figure 5-2. BDM Register Summary
= Unimplemented, Reserved
= Indeterminate
BDMACT
CCR6
Table 5-2. BDM Memory Map
X
X
X
X
X
6
0
Family ID (part of BDM firmware ROM)
CCR5
X
X
X
X
X
5
0
0
BDM firmware ROM
BDM firmware ROM
BDM registers
Module
CCR4
SDV
4
X
X
X
X
X
0
Figure
Rev. 2.2
TRACE
CCR3
X
X
X
X
X
3
0
0
5-2. Registers are accessed by
= Implemented (do not alter)
= Always read zero
CCR2
X
X
X
X
X
2
0
0
Freescale Semiconductor
(Bytes)
Size
UNSEC
240
12
CCR1
3
1
X
X
X
X
1
0
0
CCR0
Bit 0
X
X
X
X
0
0
0