mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 67
mcf5307cft90b
Manufacturer Part Number
mcf5307cft90b
Description
Mcf5307 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5307CFT90B.pdf
(484 pages)
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2.2.1 User Programming Model
As Figure 2-3 shows, the user programming model consists of the following registers:
2.2.1.1 Data Registers (D0–D7)
Registers D0–D7 are used as data registers for bit, byte (8-bit), word (16-bit), and longword
(32-bit) operations. They may also be used as index registers.
2.2.1.2 Address Registers (A0–A6)
The address registers (A0–A6) can be used as software stack pointers, index registers, or
base address registers and may be used for word and longword operations.
• 16 general-purpose 32-bit registers, D0–D7 and A0–A7
• 32-bit program counter
• 8-bit condition code register
31
31
31
31
Figure 2-3. ColdFire Programming Model
Freescale Semiconductor, Inc.
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15
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Chapter 2. ColdFire Core
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(CCR)
0
0
0
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7
PC
CCR
MACSR
ACC
MASK
SR
VBR
CACR
ACR0
ACR1
RAMBAR
MBAR
Data registers
Address registers
Stack pointer
Program counter
Condition code register
MAC status register
MAC accumulator
MAC mask register
Status register
Vector base register
Cache control register
Access control register 0
Access control register 1
RAM base address register
Module base address register
Programming Model
2-27
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