MC68030CRC25C Freescale Semiconductor, MC68030CRC25C Datasheet - Page 447
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MC68030CRC25C
Manufacturer Part Number
MC68030CRC25C
Description
IC MPU 32BIT ENHANCED 128-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68030FE20C.pdf
(599 pages)
Specifications of MC68030CRC25C
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
128-PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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10
10-60
10.4.20 Take Post-Instruction Exception Primitive
The value in the main processor scanPC at the time this primitive is received
The value of the program counter saved is the F-line operation word address
tion
I 0 IPcl 0 I 11'
This primitive uses the PC bit as previously described. Bits [0-7] contain the
exception vector number used by the main processor to initiate exception
When the main processor receives this primitive, it acknowledges the co-
fer to 10.3.2 Control CIR) to the control CIR. The MC68030 then performs
exception processing as described in 8.1 EXCEPTION PROCESSING SE-
QUENCE. The vector number for the exception is taken from bits [0-7] of the
of the coprocessor instruction during which the primitive is received.
The take post-instruction exception primitive initiates exception processing
using a coprocessor-supplied exception vector number and the post-instruc-
ditional category instructions. Figure 10-44 shows the format of the take post-
instruction exception primitive.
processing.
processor exception request by writing an exception acknowledge mask (re-
primitive, and the MC68030 uses the six-word stack frame format shown in
Figure 10-45.
is saved in the scanPC field of the post-instruction exception stack frame.
15
exception
Figure 10-44. Take Post,Instruction Exception Primitive Format
14
SP
Figure 10-45. MC68030
13
+02
+06
+08
stack frame format. This primitive applies to general and con-
15
12
0
14
11
0
MC68030 USER'S MANUAL
13 12 11
I ' I 101
1
10
0 J
9
10
Post-Instruction
PROGRAM COUNTER
9
STATUS REGISTER
8
SCAN PC
8
7
7
VECTOR NUMBER
6
5
VECTOR NUMBER
4
Stack Frame
3
2
1
0
MOTOROLA
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