MPC866 Freescale Semiconductor, MPC866 Datasheet - Page 19

• Manufacturer Part Number: MPC866
• Description: (MPC859 / MPC866) Hardware Specifications
• Manufacturer: Freescale Semiconductor

MOTOROLA
B24a A(0:31) and BADDR(28:30) to CS
B27a A(0:31) and BADDR(28:30) to CS
B28a CLKOUT falling edge to WE(0:3)
B28b CLKOUT falling edge to CS negated
B28c CLKOUT falling edge to WE(0:3)
B28d CLKOUT falling edge to CS negated
B29a WE(0:3) negated to D(0:31), DP(0:3)
B29b CS negated to D(0:31), DP(0:3), High
Num
B25 CLKOUT rising edge to OE, WE(0:3)
B26 CLKOUT rising edge to OE negated
B27 A(0:31) and BADDR(28:30) to CS
B28 CLKOUT rising edge to WE(0:3)
B29 WE(0:3) negated to D(0:31), DP(0:3)
asserted GPCM ACS = 11, TRLX = 0
(MIN = 0.50 x B1 - 2.00)
asserted (MAX = 0.00 x B1 + 9.00)
(MAX = 0.00 x B1 + 9.00)
asserted GPCM ACS = 10, TRLX = 1
(MIN = 1.25 x B1 - 2.00)
asserted GPCM ACS = 11, TRLX = 1
(MIN = 1.50 x B1 - 2.00)
negated GPCM write access CSNT =
0 (MAX = 0.00 x B1 + 9.00)
negated GPCM write access TRLX =
0,1, CSNT = 1, EBDF = 0 (MAX = 0.25
x B1 + 6.80)
GPCM write access TRLX = 0,1,
CSNT = 1, ACS = 10 or ACS = 11,
EBDF = 0 (MAX = 0.25 x B1 + 6.80)
negated GPCM write access TRLX =
0, CSNT = 1 write access TRLX = 0,1,
CSNT = 1, EBDF = 1 (MAX = 0.375 x
B1 + 6.6)
GPCM write access TRLX = 0,1,
CSNT = 1, ACS = 10, or ACS = 11,
EBDF = 1 (MAX = 0.375 x B1 + 6.6)
High-Z GPCM write access, CSNT = 0,
EBDF = 0 (MIN = 0.25 x B1 - 2.00)
High-Z GPCM write access, TRLX = 0,
CSNT = 1, EBDF = 0 (MIN = 0.50 x B1
– 2.00)
Z GPCM write access, ACS = 00,
TRLX = 0,1 & CSNT = 0 (MIN = 0.25 x
B1– 2.00)
Characteristic
Freescale Semiconductor, Inc.
Table 9. Bus Operation Timings (continued)
For More Information On This Product,
MPC866/859 Hardware Specifications
Go to: www.freescale.com
13.20
35.90
43.50
10.90
13.20
2.00
7.60
5.60
5.60
Min
—
—
—
—
33 MHz
14.30
14.30
18.00
18.00
Max
9.00
9.00
9.00
—
—
—
—
—
—
10.50
29.30
35.50
10.90
10.50
2.00
6.30
4.30
4.30
Min
—
—
—
—
40 MHz
13.00
13.00
18.00
18.00
9.00
9.00
Max
9.00
—
—
—
—
—
—
23.00
28.00
8.00
2.00
5.00
7.00
3.00
8.00
3.00
Min
—
—
—
—
50 MHz
11.80
11.80
14.30
14.30
Max
9.00
9.00
9.00
—
—
—
—
—
—
Bus Signal Timing
16.90
20.70
5.60
2.00
3.80
5.20
1.80
5.60
1.80
Min
—
—
—
—
66 MHz
10.50
10.50
12.30
12.30
Max
9.00
9.00
9.00
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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