MPC866 Freescale Semiconductor, MPC866 Datasheet - Page 37
MPC866
Manufacturer Part Number
MPC866
Description
(MPC859 / MPC866) Hardware Specifications
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC866.pdf
(92 pages)
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Table 11 shows the PCMCIA timing for the MPC866/859.
MOTOROLA
1
Num
P44
P45
P46
P47
P48
P49
P50
P51
P52
P53
P54
P55
P56
PSST = 1. Otherwise, add PSST times cycle time.
PSHT = 0. Otherwise, add PSHT times cycle time.
These synchronous timings define when the WAITx signals are detected in order to freeze (or relieve) the PCMCIA
current cycle. The WAITx assertion will be effective only if it is detected 2 cycles before the PSL timer expiration. See
PCMCIA Interface in the MPC866 PowerQUICC User’s Manual.
A(0:31), REG valid to PCMCIA
Strobe asserted
– 2.00)
A(0:31), REG valid to ALE
negation
CLKOUT to REG valid (MAX = 0.25
x B1 + 8.00)
CLKOUT to REG invalid (MIN =
0.25 x B1 + 1.00)
CLKOUT to CE1, CE2 asserted
(MAX = 0.25 x B1 + 8.00)
CLKOUT to CE1, CE2 negated
(MAX = 0.25 x B1 + 8.00)
CLKOUT to PCOE, IORD, PCWE,
IOWR assert time (MAX = 0.00 x
B1 + 11.00)
CLKOUT to PCOE, IORD, PCWE,
IOWR negate time (MAX = 0.00 x
B1 + 11.00)
CLKOUT to ALE assert time (MAX
= 0.25 x B1 + 6.30)
CLKOUT to ALE negate time (MAX
= 0.25 x B1 + 8.00)
PCWE, IOWR negated to D(0:31)
invalid
WAITA and WAITB valid to
CLKOUT rising edge
x B1 + 8.00)
CLKOUT rising edge to WAITA and
WAITB invalid
2.00)
1
(MIN = 0.25 x B1 – 2.00)
1
Characteristic
(MIN = 1.00 x B1 – 2.00)
1
(MIN = 0.00 x B1 +
1
(MIN = 0.75 x B1
1
(MIN = 0.00
Freescale Semiconductor, Inc.
For More Information On This Product,
MPC866/859 Hardware Specifications
Go to: www.freescale.com
Table 11. PCMCIA Timing
20.70
28.30
7.60
8.60
7.60
7.60
2.00
7.60
5.60
8.00
2.00
Min
—
—
33 MHz
15.60
15.60
15.60
11.00
11.00
13.80
15.60
Max
—
—
—
—
—
—
16.70
23.00
6.30
7.30
6.30
6.30
2.00
6.30
4.30
8.00
2.00
Min
—
—
40 MHz
14.30
14.30
14.30
11.00
11.00
12.50
14.30
Max
—
—
—
—
—
—
13.00
18.00
5.00
6.00
5.00
5.00
2.00
5.00
3.00
8.00
2.00
Min
—
—
50 MHz
13.00
13.00
13.00
11.00
11.00
11.30
13.00
Max
—
—
—
—
—
—
13.20
Bus Signal Timing
9.40
3.80
4.80
3.80
3.80
2.00
3.80
1.80
8.00
2.00
Min
—
—
66 MHz
11.80
11.80
11.80
11.00
11.00
10.00
11.80
Max
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
37