MC68030CRC25C Freescale Semiconductor, MC68030CRC25C Datasheet - Page 536
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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M O T O R O L A
12.4 M E M O R Y
The PAL equations and circuits presented here are not intended to be the
optimal implementation for every system. Depending on the CPU's clock
frequency, memory access times, and system architecture, different circuits
The MC68030 is capable of running three types of external bus cycles as
determined by the cyc!e termination and handshake signals (refer to SECTION
7 BUS OPERATION). These three types of bus cycles are:
may be required.
3. Burst operation cycles, terminated by the STERM and CBACK signals,
2. Synchronous cycles, terminated by the STERM signal, have a minimum
1. Asynchronous cycles, terminated by the DSACKx signals, have a min-
W o r d
T h r e e Byte
Byte
L o n g W o r d
Transfer
Table 12-1. Data Bus Activity for Byte, Word, and Long-Word Ports
transferred.
to four long words (16 bytes) are transferred.
duration of two processor clock periods in which up to four bytes are
imum duration of three processor clock periods in which up to four
bytes are transferred.
have a duration of as little as five processor clock periods in which up
Size
INTERFACE
S l Z l
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SlZO
- 0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
M C 6 8 0 3 0
I
A1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
U S E R ' S
A0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
M A N U A L
D31-D24
Byte (B) - Word (W) - Long-Word (L) Ports
B W
B W L
B W
B W L
B W
B W L
B W
B W L
B
B
B
B
B
B
B
B
Data Bus Active Sections
D23-D16
- -
W L
W
W L
W
W
W L
W
W
W L
W
W
- -
W L
W L
W L
D15-D8
- -
- -
- -
- -
- -
- -
- -
L
L
L
L
L
L
L
L
L
- -
- -
- -
- -
- -
- -
L
L
L
L
L
L
L
L
L
L
D7-D0
12-11
12
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