MC68030RC40C Freescale Semiconductor, MC68030RC40C Datasheet - Page 230
MC68030RC40C
Manufacturer Part Number
MC68030RC40C
Description
IC MPU 32BIT ENHANCED 128-PGA
Manufacturer
Freescale Semiconductor
Specifications of MC68030RC40C
Processor Type
M680x0 32-Bit
Speed
40MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
128-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
40MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
5V
Operating Supply Voltage (max)
5.25V
Operating Supply Voltage (min)
4.75V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
128
Package Type
PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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Manufacturer
Quantity
Price
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MC68030RC40C
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Part Number:
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7.4.1 Interrupt Acknowledge Bus Cycles
MOTOROLA
A C K N O W L E D G E
A C K N O W L E D G E
COPROCESSOR
B R E A K P O I N T
I N T E R R U P T
COMM.
three of the encodings are implemented as shown in Figure 7-42. All unused
values are reserved by Motorola for future additional CPU space types.
that the device requires serv ce, and the internally synchronized value on
The CPU space type s encoded on A16-A19 during a CPU space operation
and indicates the function that the processor is performing. On the MC68030,
When a peripheral device signals the processor (with the IPL0-1PL2 signals)
these signals indicates a higher priority than the interrupt mask in the status
the processor makes the interrupt a pending interrupt. Refer to 8.1.9 Interrupt
The MC68030 takes an interrupt exception for a pending interrupt within one
terrupt acknowledge bus cycles that can be executed as part of interrupt
register (or that a transition has occurred in the case of a level 7 interrupt),
Exceptions for details on the recognition of interrupts.
instruction boundary (after processing any other pending exception with a
higher priority). The following paragraphs describe the various kinds of in-
exception processing.
F U N C T I O N
2
2
2
C O D E
0
O
0
Figure 7-42. NIC68030 CPU Space Address Encoding
I o O OC o o
JO O 0 0 0 O 0 0 O 0 0 0
["
,,
31
31
1
1
1
MC68030 USER'S MANUAL
•
o 0 o o o OlO 0 0 OlO 0 0 0 0 0 0 0 0 0
1
i
123
1
1
i
1]1
,
I
ADDRESS BUS
,0
i
CPU SPACE
TYPE FIELD
~
1
1
l
1 111
0
,,
15
I
I
1
13
1
,
0 0 0 0 0 O O L
1
1
I
1
01 B'P" fD 01
1
1
,
4
3
1
~
CPREG l
,
1
7-69
1 0
0
O
7
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