MPC875 Freescale Semiconductor, Inc, MPC875 Datasheet - Page 18

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

Bus Signal Timing
18
B11a
B12a
B13a
Num
B7a
B7b
B8a
B8b
B11
B12
B13
B14
B2
B3
B4
B5
B7
B8
B9
CLKOUT pulse width low (MIN = 0.4 × B1,
MAX = 0.6 × B1)
CLKOUT pulse width high (MIN = 0.4 × B1,
MAX = 0.6 × B1)
CLKOUT rise time
CLKOUT fall time
CLKOUT to A(0:31), BADDR(28:30), RD/WR,
BURST, D(0:31) output hold (MIN = 0.25 × B1)
CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR
output hold (MIN = 0.25 × B1)
CLKOUT to BR, BG, FRZ, VFLS(0:1), VF(0:2)
IWP(0:2), LWP(0:1), STS output hold
(MIN = 0.25 × B1)
CLKOUT to A(0:31), BADDR(28:30), RD/WR,
BURST, D(0:31) valid (MAX = 0.25 × B1 + 6.3)
CLKOUT to TSIZ(0:1), REG, RSV, BDIP, PTR
valid (MAX = 0.25 × B1 + 6.3)
CLKOUT to BR, BG, VFLS(0:1), VF(0:2),
IWP(0:2), FRZ, LWP(0:1), STS valid
(MAX = 0.25 × B1 + 6.3)
CLKOUT to A(0:31), BADDR(28:30), RD/WR,
BURST, D(0:31), TSIZ(0:1), REG, RSV, PTR
High-Z (MAX = 0.25 × B1 + 6.3)
CLKOUT to TS, BB assertion
(MAX = 0.25 × B1 + 6.0)
CLKOUT to TA, BI assertion (when driven by
the memory controller or PCMCIA interface)
(MAX = 0.00
CLKOUT to TS, BB negation
(MAX = 0.25
CLKOUT to TA, BI negation (when driven by
the memory controller or PCMCIA interface)
(MAX = 0.00 × B1 + 9.00)
CLKOUT to TS, BB High-Z (MIN = 0.25 × B1)
CLKOUT to TA, BI High-Z (when driven by the
memory controller or PCMCIA interface)
(MIN = 0.00 × B1 + 2.5)
CLKOUT to TEA assertion
(MAX = 0.00 × B1 + 9.00)
×
×
Characteristic
B1 + 9.30
B1 + 4.8)
MPC875/MPC870 PowerQUICC™ Hardware Specifications, Rev. 4
1
)
Table 10. Bus Operation Timings (continued)
2
12.1
12.1
7.60
7.60
7.60
7.60
7.60
2.50
7.60
2.50
7.60
2.50
2.50
Min
—
—
—
—
—
33 MHz
13.80
13.80
13.80
13.80
13.60
12.30
21.60
15.00
Max
18.2
18.2
4.00
4.00
9.30
9.00
9.00
—
—
—
10.0
10.0
6.30
6.30
6.30
6.30
6.30
2.50
6.30
2.50
6.30
2.50
2.50
Min
—
—
—
—
—
40 MHz
12.50
12.50
12.50
12.50
12.30
11.00
20.30
15.00
Max
15.0
15.0
4.00
4.00
9.30
9.00
9.00
—
—
—
3.80
3.80
3.80
3.80
3.80
2.50
3.80
2.50
3.80
2.50
2.50
Min
6.1
6.1
—
—
—
—
—
66 MHz
10.00
10.00
10.00
10.00
14.00
15.00
Max
4.00
4.00
9.80
9.80
8.50
9.00
9.00
9.1
9.1
—
—
—
Freescale Semiconductor
3.13
3.13
3.13
3.13
3.13
3.13
3.13
2.50
Min
5.0
5.0
2.5
2.5
2.5
—
—
—
—
—
80 MHz
12.93
15.00
Max
4.00
4.00
9.43
9.43
9.43
9.43
9.13
7.92
9.00
9.00
7.5
7.5
9.3
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns