MC68EC030CFE25C Freescale Semiconductor, MC68EC030CFE25C Datasheet - Page 446
MC68EC030CFE25C
Manufacturer Part Number
MC68EC030CFE25C
Description
IC MPU 32BIT ENH 25MHZ 132-CQFP
Manufacturer
Freescale Semiconductor
Specifications of MC68EC030CFE25C
Processor Type
M680x0 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-CQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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MOTOROLA
The program counter value saved in this stack frame is the operation word
address of the coprocessor instruction during which the primitive is received.
The scanPC field contains the value of the MC68030 scanPC when the pri-
The coprocessor uses this primitive to request exception processing for an
the exception handler and reads the response CIR. Thus, the main processor
mitive is received. If the current instruction does not evaluate an effective
address prior to the exception request primitive, the value of the effective
address field in the stack frame is undefined.
exception during the instruction dialog with the main processor. If the ex-
ception handler does not modify the stack frame, the MC68030 returns from
attempts to continue executing the suspended instruction by reading the
response CIR and processing the primitive it receives.
SP
Figure 10-43. MC68030 Mid-Instruction Stack Frame
+02
+06
+08
+OC
+OE
+10
15
14
00,
13
MC68030 USER'S MANUAL
12
1
11
10
PROGRAM COUNTER
EFFECTIVE ADDRESS
INTERNAL REGISTER
9
STATUS REGISTER
OPERATION WORD
SCAN PC
8
VECTOR NUMBER
7
6
5
4
3
2
1
0
10-59
10
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