MPC857DSL Motorola, MPC857DSL Datasheet - Page 18
MPC857DSL
Manufacturer Part Number
MPC857DSL
Description
(MPC857 / MPC862) Hardware Specifications
Manufacturer
Motorola
Datasheet
1.MPC857DSL.pdf
(88 pages)
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Bus Signal Timing
Bus Signal Timing
18
B22a CLKOUT falling edge to CS asserted
B22b CLKOUT falling edge to CS asserted
B24a A(0:31) and BADDR(28:30) to CS
B27a A(0:31) and BADDR(28:30) to CS
Num
B22c CLKOUT falling edge to CS asserted
B19 CLKOUT rising edge to D(0:31),
B20 D(0:31), DP(0:3) valid to CLKOUT
B21 CLKOUT falling edge to D(0:31),
B22 CLKOUT rising edge to CS asserted
B23 CLKOUT rising edge to CS negated
B24 A(0:31) and BADDR(28:30) to CS
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
DP(0:3) valid (hold time)
x B1 + 1.00
falling edge (setup time)
x B1 + 4.00)
DP(0:3) valid (hold Time)
0.00 x B1 + 2.00)
GPCM ACS = 00 (MAX = 0.25 x B1 +
6.3)
GPCM ACS = 10, TRLX = 0 (MAX =
0.00 x B1 + 8.00)
GPCM ACS = 11, TRLX = 0, EBDF = 0
(MAX = 0.25 x B1 + 6.3)
GPCM ACS = 11, TRLX = 0, EBDF = 1
(MAX = 0.375 x B1 + 6.6)
GPCM read access, GPCM write
access ACS = 00, TRLX = 0 & CSNT =
0 (MAX = 0.00 x B1 + 8.00)
asserted GPCM ACS = 10, TRLX = 0
(MIN = 0.25 x B1 - 2.00)
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)
Characteristic
9
)
MPC862/857T/857DSL Hardware Specifications
Freescale Semiconductor, Inc.
10
8
Table 7. Bus Operation Timings (continued)
10
(MIN = 0.00
For More Information On This Product,
(MIN = 0.00
(MIN =
Go to: www.freescale.com
10.90
13.20
35.90
43.50
1.00
4.00
2.00
7.60
7.60
2.00
5.60
2.00
Min
—
—
33 MHz
13.80
13.80
18.00
Max
8.00
8.00
9.00
9.00
—
—
—
—
—
—
—
10.90
10.50
29.30
35.50
1.00
4.00
2.00
6.30
6.30
2.00
4.30
2.00
Min
—
40 MHz
12.50
12.50
18.00
Max
8.00
8.00
9.00
9.00
—
—
—
—
—
—
—
23.00
28.00
1.00
4.00
2.00
5.00
5.00
7.00
2.00
3.00
8.00
2.00
Min
—
50 MHz
11.30
11.30
14.30
Max
8.00
8.00
9.00
9.00
—
—
—
—
—
—
—
16.90
20.70
2.00
4.00
2.00
3.80
3.80
5.20
2.00
1.80
5.60
2.00
Min
—
66 MHz
MOTOROLA
10.00
10.00
12.30
Max
8.00
8.00
9.00
9.00
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns