MC68020RC16E Freescale Semiconductor, MC68020RC16E Datasheet - Page 63
MC68020RC16E
Manufacturer Part Number
MC68020RC16E
Description
IC MPU 32BIT 16MHZ 114-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68020EH16E.pdf
(306 pages)
Specifications of MC68020RC16E
Processor Type
M680x0 32-Bit
Speed
16MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
114-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
16.67MHz
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
114
Package Type
CPGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68020RC16E
Manufacturer:
MOT
Quantity:
900
Company:
Part Number:
MC68020RC16E
Manufacturer:
MOT
Quantity:
900
Part Number:
MC68020RC16E
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Figures 5-12 and 5-13 show a word transfer (write) to an odd address in word-organized
memory. This example is similar to the one shown in Figures 5-9 and 5-10 except that the
operand is word sized and the transfer requires only two bus cycles. Figure 5-14 shows
the equivalent operation for a data read cycle.
5-16
31
Figure 5-12. Misaligned Word Operand Write to Word Port Example
OP0
15
D31
OP2
Figure 5-11. Misaligned Long-Word Operand Read
MSB
OP3
XXX
D31
WORD OPERAND
WORD MEMORY
LONG-WORD OPERAND (REGISTER)
DATA BUS
OP1
Freescale Semiconductor, Inc.
MSB
XXX
OP1
OP3
For More Information On This Product,
WORD MEMORY
DATA BUS
OP2
LSB
XXX
OP3
from Word Port Example
M68020 USER’S MANUAL
Go to: www.freescale.com
D16
OP0
OP2
XXX
LSB
OP2
0
D16
SIZ1 SIZ0 A2
1
0
MC68020/EC020
0
1
SIZ1 SIZ0 A2
OP3
0
0
0
1
0
MC68020/EC020
A1
0
1
0
1
1
0
A0
1
0
0
0
1
A1
0
1
0
MEMORY CONTROL
DSACK1
A0
1
0
0
L
L
DSACK0
MEMORY CONTROL
DSACK1
H
H
L
L
L
DSACK0
MOTOROLA
H
H
H
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