MPC875 Freescale Semiconductor, Inc, MPC875 Datasheet - Page 23

• Manufacturer Part Number: MPC875
• Description: Mpc875 Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
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 × B1 + 6.80)
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 × B1 – 2.00)
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 × B1 – 2.00)
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 × B1 – 2.00)
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 × B1 – 2.00)
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 × B1 – 2.00)
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 × B1 – 2.00)
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 × B1 – 2.00)
UPWAIT valid to CLKOUT falling edge
(MIN = 0.00 × B1 + 6.00)
CLKOUT falling edge to UPWAIT valid
(MIN = 0.00 × B1 + 1.00)
AS valid to CLKOUT rising edge
(MIN = 0.00 × B1 + 7.00)
A(0:31), TSIZ(0:1), RD/WR, BURST valid to
CLKOUT rising edge
(MIN = 0.00 × B1 + 7.00)
TS valid to CLKOUT rising edge (setup time)
(MIN = 0.00 × B1 + 7.00)
Characteristic
MPC875/MPC870 PowerQUICC™ Hardware Specifications, Rev. 4
Table 10. Bus Operation Timings (continued)
10
9
9
13.20
20.70
13.20
20.70
7.60
5.60
5.60
5.60
6.00
1.00
7.00
7.00
7.00
Min
33 MHz
14.30
Max
—
—
—
—
—
—
—
—
—
—
—
—
10.50
16.70
10.50
16.70
6.30
4.30
4.30
4.30
6.00
1.00
7.00
7.00
7.00
Min
40 MHz
13.00
Max
—
—
—
—
—
—
—
—
—
—
—
—
3.80
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
10.50
Max
—
—
—
—
—
—
—
—
—
—
—
—
3.13
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
Bus Signal Timing
10.00
Max
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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