Bus Signal Timing
Table 13 shows the PCMCIA port timing for the MPC875/870.
Table 13. PCMCIA Port Timing
33 MHz 40 MHz
Min Max Min Max Min Max Min Max
66 MHz
80 MHz
Num
Characteristic
Unit
CLKOUT to OPx valid
(MAX = 0.00 × B1 + 19.00)
—
19.00
—
—
19.00
—
—
19.00
—
—
19.00 ns
P57
P58
P59
P60
HRESET negated to OPx
25.70
5.00
1.00
21.70
5.00
1.00
14.40
5.00
1.00
12.40
5.00
1.00
—
—
—
ns
ns
ns
drive 1(MIN = 0.75 × B1 + 3.00)
IP_Xx valid to CLKOUT rising edge
(MIN = 0.00 × B1 + 5.00)
—
—
—
CLKOUT rising edge to IP_Xx invalid
(MIN = 0.00 × B1 + 1.00)
—
—
—
1 OP2 and OP3 only.
Figure 29 provides the PCMCIA output port timing for the MPC875/870.
CLKOUT
P57
Output
Signals
HRESET
P58
OP2, OP3
Figure 29. PCMCIA Output Port Timing
Figure 30 provides the PCMCIA input port timing for the MPC875/870.
CLKOUT
P59
P60
Input
Signals
Figure 30. PCMCIA Input Port Timing
MPC875/MPC870 Hardware Specifications, Rev. 3.0
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
40
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