MPC870 FREESCALE [Freescale Semiconductor, Inc], MPC870 Datasheet - Page 17

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

Bus Signal Timing
17
B11a
B12a
B13a
B16a
B16b
B17a
Num
B8a
B8b
B11
B12
B13
B14
B15
B16
B17
B8
B9
CLKOUT to A(0:31), BADDR(28:30)
RD/WR, BURST, D(0:31) valid
(MAX = 0.25
CLKOUT to TSIZ(0:1), REG, RSV, BDIP,
PTR valid (MAX = 0.25
CLKOUT to BR, BG, VFLS(0:1), VF(0:2),
IWP(0:2), FRZ, LWP(0:1), STS valid
(MAX = 0.25
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
CLKOUT to TS, BB assertion
(MAX = 0.25
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
CLKOUT to TS, BB High-Z
(MIN = 0.25
CLKOUT to TA, BI High-Z (when driven by
the memory controller or PCMCIA
interface) (MIN = 0.00
CLKOUT to TEA assertion
(MAX = 0.00
CLKOUT to TEA High-Z
(MIN = 0.00
TA, BI valid to CLKOUT (setup time)
(MIN = 0.00
TEA, KR, RETRY, CR valid to CLKOUT
(setup time) (MIN = 0.00
BB, BG, BR, valid to CLKOUT (setup time)
CLKOUT to TA, TEA, BI, BB, BG, BR valid
(hold time) (MIN = 0.00
CLKOUT to KR, RETRY, CR valid (hold
time) (MIN = 0.00
2
(4MIN = 0.00
×
×
×
×
×
×
×
×
×
Characteristic
B1)
B1 + 2.50)
B1 + 6.00)
B1 + 6.3)
B1 + 6.3)
B1 + 6.3)
B1 + 6.0)
B1 + 4.8)
B1 + 9.00)
×
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
B1 + 0.00)
×
B1 + 2.00)
MPC875/MPC870 Hardware Specifications, Rev. 3.0
Table 10. Bus Operation Timings (continued)
×
×
×
×
×
B1 + 2.5)
×
B1 + 9.30
B1 + 9.00)
B1 + 6.3)
B1 + 1.00
B1 + 4.5)
1
3
)
2
)
7.60 13.80 6.30 12.50 3.80 10.00 3.13
7.60 13.60 6.30 12.30 3.80
2.50
7.60 12.30 6.30 11.00 3.80
2.50
7.60 21.60 6.30 20.30 3.80 14.00 3.13 12.93
2.50 15.00 2.50 15.00 2.50 15.00
2.50
2.50 15.00 2.50 15.00 2.50 15.00 2.50 15.00
6.00
4.50
4.00
1.00
2.00
Min
—
—
—
33 MHz
13.80
13.80
13.80
Max
9.30
9.00
9.00
—
—
—
—
—
2.50
2.50
2.50
6.00
4.50
4.00
1.00
2.00
Min
—
—
—
40 MHz
12.50
12.50
12.50
Max
9.30
9.00
9.00
—
—
—
—
—
2.50
2.50
2.50
6.00
4.50
4.00
2.00
2.00
Min
—
—
—
66 MHz
10.00
10.00
10.00
Max
9.80
9.80
8.50
9.00
9.00
—
—
—
—
—
Freescale Semiconductor
3.13
3.13
2.50
4.50
4.00
2.00
2.00
Min
2.5
2.5
2.5
—
—
—
6
80 MHz
15.00
Max
9.43
9.43
9.43
9.43
9.13
7.92
9.00
9.00
9.3
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns