MPC870 FREESCALE [Freescale Semiconductor, Inc], MPC870 Datasheet - Page 22

• Manufacturer Part Number: MPC870
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Bus Signal Timing
22
B33a
B34a
B34b
B35a
B35b
Num
B34
B35
B36
B37
B38
B39
B40
B41
CLKOUT rising edge to GPL valid, as
requested by control bit GxT3 in the
corresponding word in the UPM
(MAX = 0.25
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by control bit CST4
in the corresponding word in the UPM
(MIN = 0.25
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by control bit CST1
in the corresponding word in the UPM
(MIN = 0.50
A(0:31), BADDR(28:30), and D(0:31) to
CS valid, as requested by CST2 in the
corresponding word in UPM
(MIN = 0.75
A(0:31), BADDR(28:30) to CS valid, as
requested by control bit BST4 in the
corresponding word in the UPM
(MIN = 0.25
A(0:31), BADDR(28:30), and D(0:31) to
BS valid, as requested by BST1 in the
corresponding word in the UPM
(MIN = 0.50
A(0:31), BADDR(28:30), and D(0:31) to
BS valid, as requested by control bit BST2
in the corresponding word in the UPM
(MIN = 0.75
A(0:31), BADDR(28:30), and D(0:31) to
GPL valid, as requested by control bit
GxT4 in the corresponding word in the
UPM (MIN = 0.25
UPWAIT valid to CLKOUT falling edge
(MIN = 0.00
CLKOUT falling edge to UPWAIT valid
(MIN = 0.00
AS valid to CLKOUT rising edge
(MIN = 0.00
A(0:31), TSIZ(0:1), RD/WR, BURST, valid
to CLKOUT rising edge
(MIN = 0.00
TS valid to CLKOUT rising edge (setup
time) (MIN = 0.00
×
×
×
×
×
×
×
×
×
×
×
Characteristic
B1 - 2.00)
B1 – 2.00)
B1 – 2.00)
B1 – 2.00)
B1 – 2.00)
B1 – 2.00)
B1 + 6.00)
B1 + 1.00)
B1 + 7.00)
B1 + 7.00)
B1 + 6.80)
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
×
×
B1 – 2.00)
B1 + 7.00)
MPC875/MPC870 Hardware Specifications, Rev. 3.0
Table 10. Bus Operation Timings (continued)
9
8
8
13.20
20.70
13.20
20.70
7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00
5.60
5.60
5.60
6.00
1.00
7.00
7.00
7.00
Min
33 MHz
Max
—
—
—
—
—
—
—
—
—
—
—
—
10.50
16.70
10.50
16.70
4.30
4.30
4.30
6.00
1.00
7.00
7.00
7.00
Min
40 MHz
Max
—
—
—
—
—
—
—
—
—
—
—
—
1.80
5.60
9.40
1.80
5.60
9.40
1.80
6.00
1.00
7.00
7.00
7.00
Min
66 MHz
Max
—
—
—
—
—
—
—
—
—
—
—
—
Freescale Semiconductor
1.13
4.25
6.80
1.13
4.25
7.40
1.13
6.00
1.00
7.00
7.00
7.00
Min
80 MHz
Max
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns