MC68030FE33C Freescale Semiconductor, MC68030FE33C Datasheet - Page 171

• Manufacturer Part Number: MC68030FE33C
• Description: IC MPU 32BIT ENHANCED 132-CQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68030FE33C

• Processor Type: M680x0 32-Bit
• Speed: 33MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 132-CQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

7
NOTE: The bytes labeled as Nn (Next n) and PRn (Previous n) are only required to be valid for cachable read cycles. They
7-10
Word
Word
3 Byte
Byte
Long
Transfer
Size
can be interpreted as don't cares for noncachable read cycles.
tiplexer of the MC68030 to the external data bus.
Table 7-5 lists the combination~ of SIZ0, SlZ1, A0, and A1 and the corre-
sponding pattern of the data transfer for write cycles from the internal mul-
first bus cycle, the MC68030 places the four operand bytes on the external
follows the pattern in the entry of Table 7-5 corresponding
SlZ0_SlZl_A0_A1 =0000. The port latches the data on bits D16-D31 of the
data bus, asserts DSACK1 (DSACK0 remains negated), and the processor
Figure 7-5 shows the transfer of a long-word operand to a word port. In the
bus. Since the address is long-word aligned in this example, the mL~ltiplexer
SlZl
0
0
0
1
0
0
0
0
1
1
1
1
1
1
1
0
Size
SIZ0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
Table 7-4. Data Bus Requirements for Read Cycles
1
A1
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
Address
0
A0
0
0
0
0
0
1
1
0
1
0
1
1
1
1
1
0
D31:D24 D23:D16 D15:D8
I.P~I I P~ loP1 I oP~ I
I PR2 I P~I I P~ loP1 I
I PR I oPo loP1 loP2 I
I PR1 I PR I oPo loP1 I
I ~PR2 I PR1 I PR I oPo I
MC68030 USER'S MANUAL
loP31
I PR loP31
I PR1 I PR loP3 I
loP2 lops I
I PR loP2 lops I
I PR1 I PR loP2 lops I
I oPo lop1 loP2 loP3 I
External Data Bytes Required
Long-Word Port
N IN1 IN2 I
N I N1 I
N I N1 I
D7:D0
N I
N I
lops
I PR loP3
loP3
I PR loP3
loP2
I PR loP2
loP2
I PR loP2
loP1
I PR loP1
loP1
I PR loP1
I oPo loP1
I PR I oPo I
I oPo loP1
I PR I oPo I
External Data Bytes
D31:D24
Word Port
Required
I
I
lops
loP2
loP2
loP3 I
D23:D16
N
N rl
I
I
I
I
I
I
I
I
I
I
I
MOTOROLA
I
Data Bytes
Byte Port
Required
External
Fs-~q
Fs-~q
Fs-~q
Fs~-q
r ~ q
Fs~q
D31:D24
to