MC68307V Datasheet, PDF (5/34 Pages) Motorola, Inc – Technical Summary Integrated Multiple-Bus Processor

31
16 15
87
0
D0
D1
D2
D3
D4
DATA REGISTERS
D5
D6
D7
31
16 15
0
A0
A1
A2
A3
ADDRESS REGISTERS
A4
A5
A6
31
16 15
0
A7 (USP) USER STACK POINTER
31
0
PC
PROGRAM COUNTER
7
0
CCR
STATUS REGISTER
Figure 2. User Programming Model
Figure 3. Supervisor Programming Model Supplement
SYSTEM BYTE
15
13
T
S
TRACE MODE
SUPERVISOR STATE
INTERRUPT MASK
10
8
I₂ I₁ I₀
CONDITION CODES
EXTEND
NEGATIVE
ZERO
OVERFLOW
CARRY
Figure 4. Status Register
USER BYTE
4
0
XNZVC
MOTOROLA
MC68307 TECHNICAL INFORMATION
5