mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 235

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

1. The values listed in this column represent the 8-bit BDM command code used when accessing the core registers via the 1-
2. The EMAC registers are available only if the EMAC module is present on the device.
3. If the given register is written using the MOVEC instruction, the 12-bit control register address (Rc) is also specified.
Freescale Semiconductor, Inc.
Load: 0x6F
Store: 0x4F
Load: 0xE4
Store: 0xC4
Load: 0xE5
Store: 0xC5
Load: 0xE6
Store: 0xC6
Load: 0xE7
Store: 0xC7
Load: 0xE8
Store: 0xC8
Load: 0xEE
Store: 0xCE
Load: 0xEF
Store: 0xCF
Load: 0xE0
Store: 0xC0
Load: 0xE1
Store: 0xC1
Load: 0xE2
Store: 0xC2
Load: 0xEE
Store: 0xCE
pin BDM port. For details, see information about ColdFire debug operation. (These BDM commands are not similar to
those of non-V1 ColdFire processors.)
command
BDM
1
User stack pointer
see
OTHER_A7)
MAC status register (MACSR)
MAC address mask register (MASK)
MAC accumulator (ACC)
MAC accumulator 0,1 extension bytes
(ACCext01)
MAC accumulator 2,3 extension bytes
(ACCext23)
Condition code register (CCR)
register
Program counter (PC)
Supervisor stack pointer
see
OTHER_A7)
Vector base register (VBR)
CPU configuration register (CPUCR)
Status register (SR)
Table 11-1. ColdFire core programming model (continued)
Supervisor/user stack pointers (A7 and
Supervisor/user stack pointers (A7 and
(SR))
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Register
Supervisor access only registers
2
(LSB of
Preliminary
Status
32
32
16
32
32
32
8
32
32
32
32
16
Width
(bits)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
R/W
Access
POR: Undefined
Else: Unaffected
0x0000_0000
0xFFFF
POR: Undefined
Else: Unaffected
POR: Undefined
Else: Unaffected
POR: Undefined
Else: Unaffected
POR: Undefined
Else: Unaffected
Contents of
location
0x(00)00_0004
Contents of
location
0x(00)00_0000
See register's
description
See register's
description
0x27--
Reset value
Chapter 11 Core
No
No
No
No
No
No
No
No
No
Yes
Rc =
0x801
Yes
Rc =
0x802
No
MOVEC
Written
with
235
3