XPC850ZT50BU Datasheet, PDF (14/76 Pages) Motorola, Inc – Communications Controller Hardware Specifications

Layout Practices
Table 6-6. Bus Operation Timing ¹ (continued)
Num
Characteristic
50 MHz
66 MHz
80 MHz
Cap Load
FFACT (default Unit
Min Max Min Max Min Max
50 pF)
B19 CLKOUT rising edge to D[0–31], 1.00 — 1.00 — 1.00 —
—
DP[0–3] valid (hold time) ⁷
50.00
ns
B20 D[0–31], DP[0–3] valid to
4.00 — 4.00 — 4.00 —
—
CLKOUT falling edge (setup
time) ⁸
50.00
ns
B21 CLKOUT falling edge to
2.00 — 2.00 — 2.00 —
—
D[0–31], DP[0–3] valid (hold
time) ⁸
—
—
B22 CLKOUT rising edge to CS
asserted GPCM ACS = 00
5.00 11.75 7.58 14.33 6.25 13.00 0.250 50.00
ns
B22a CLKOUT falling edge to CS
asserted GPCM ACS = 10,
TRLX = 0,1
— 8.00 — 8.00 — 8.00 —
50.00
ns
B22b CLKOUT falling edge to CS
asserted GPCM ACS = 11,
TRLX = 0, EBDF = 0
5.00 11.75 7.58 14.33 6.25 13.00 0.250 50.00
ns
B22c CLKOUT falling edge to CS
asserted GPCM ACS = 11,
TRLX = 0, EBDF = 1
7.00 14.00 11.00 18.00 9.00 16.00 0.375 50.00
ns
B23 CLKOUT rising edge to CS
2.00 8.00 2.00 8.00 2.00 8.00 —
negated GPCM read access,
GPCM write access ACS = 00,
TRLX = 0 & CSNT = 0
50.00
ns
B24 A[6–31] to CS asserted GPCM 3.00 — 6.00 — 4.00 — 0.250 50.00
ns
ACS = 10, TRLX = 0.
B24a A[6–31] to CS asserted GPCM 8.00 — 13.00 — 11.00 — 0.500 50.00
ns
ACS = 11, TRLX = 0
B25 CLKOUT rising edge to OE,
WE[0–3] asserted
— 9.00 — 9.00 — 9.00 —
50.00
ns
B26 CLKOUT rising edge to OE
negated
2.00 9.00 2.00 9.00 2.00 9.00 —
50.00
ns
B27 A[6–31] to CS asserted GPCM 23.00 — 36.00 — 29.00 — 1.250 50.00
ns
ACS = 10, TRLX = 1
B27a A[6–31] to CS asserted GPCM 28.00 — 43.00 — 36.00 — 1.500 50.00
ns
ACS = 11, TRLX = 1
B28 CLKOUT rising edge to WE[0–3] — 9.00 — 9.00 — 9.00 —
negated GPCM write access
CSNT = 0
50.00
ns
B28a CLKOUT falling edge to
5.00 12.00 8.00 14.00 6.00 13.00 0.250 50.00
ns
WE[0–3] negated GPCM write
access TRLX = 0,1 CSNT = 1,
EBDF = 0
14
MPC850 (Rev. A/B/C) Hardware Specifications
MOTOROLA