mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 50

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

ColdFire Core
2.2.1
D0–D7 data registers are for bit (1-bit), byte (8-bit), word (16-bit) and longword (32-bit) operations; they
can also be used as index registers.
2.2.2
These registers can be used as software stack pointers, index registers, or base address registers. They can
also be used for word and longword operations.
2-4
1
The values listed in this column represent the Rc field used when accessing the core registers via the BDM port. For more
information see
0x004–5
0x80F
0x80E
0xC04
0xC05
BDM
0x002
0x800
0x801
(D0, D1)
(D2-D7)
Reset
Reset
BDM: Load: 0x080 + n; n = 0-7 (Dn)
1
W
R
Data Registers (D0–D7)
Address Registers (A0–A6)
Store: 0x180 + n; n = 0-7 (Dn)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Registers D0 and D1 contain hardware configuration details after reset. See
Section 2.3.4.15, “Reset Exception”
Chapter 30, “Debug
Program Counter (PC)
Cache Control Register (CACR)
Access Control Register 0–1 (ACR0–1)
User/Supervisor A7 Stack Pointer
(OTHER_A7)
Vector Base Register (VBR)
Status Register (SR)
Flash Base Address Register
(FLASHBAR)
RAM Base Address Register (RAMBAR)
Table 2-1. ColdFire Core Programming Model (continued)
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Register
Support”.
Figure 2-2. Data Registers (D0–D7)
Supervisor Access Only Registers
See
Section 2.3.4.15, “Reset Exception”
NOTE
for more details.
Width
(bits)
32
32
32
32
32
16
32
32
Data
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0x0000_0004
0x0000_0000
0x0000_0000
0x0000_0000
0x0000_0000
Reset Value
See Section
See Section
Contents of
Contents of
location
location
0x27--
8
7
Access: User read/write
Written with
6
MOVEC
Freescale Semiconductor
Yes
Yes
Yes
Yes
Yes
No
No
No
5
BDM read/write
4
3
Section/Page
2
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2.2.3/2-5
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0