MPC859T FREESCALE [Freescale Semiconductor, Inc], MPC859T Datasheet - Page 20
MPC859T
Manufacturer Part Number
MPC859T
Description
Hardware Specifications
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MPC859T.pdf
(92 pages)
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Bus Signal Timing
Bus Signal Timing
20
B29c CS negated to D(0:31), DP(0:3)
B29d WE(0:3) negated to D(0:31), DP(0:3)
B29e CS negated to D(0:31), DP(0:3)
B29g CS negated to D(0:31), DP(0:3)
B29h WE(0:3) negated to D(0:31), DP(0:3)
B30a WE(0:3) negated to A(0:31),
B30b WE(0:3) negated to A(0:31) invalid
Num
B29f WE(0:3) negated to D(0:31), DP(0:3)
B29i CS negated to D(0:31), DP(0:3)
B30 CS, WE(0:3) negated to A(0:31),
High-Z GPCM write access, TRLX = 0,
CSNT = 1, ACS = 10, or ACS = 11,
EBDF = 0 (MIN = 0.50 x B1 – 2.00)
High-Z GPCM write access, TRLX = 1,
CSNT = 1, EBDF = 0 (MIN = 1.50 x B1
– 2.00)
High-Z GPCM write access, TRLX = 1,
CSNT = 1, ACS = 10, or ACS = 11,
EBDF = 0 (MIN = 1.50 x B1 – 2.00)
High Z GPCM write access, TRLX = 0,
CSNT = 1, EBDF = 1 (MIN = 0.375 x
B1 – 6.30)
High-Z GPCM write access, TRLX = 0,
CSNT = 1 ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375 x B1 – 6.30)
High Z GPCM write access, TRLX = 1,
CSNT = 1, EBDF = 1 (MIN = 0.375 x
B1 – 3.30)
High-Z GPCM write access, TRLX = 1,
CSNT = 1, ACS = 10 or ACS = 11,
EBDF = 1 (MIN = 0.375 x B1 – 3.30)
BADDR(28:30) invalid GPCM write
access
BADDR(28:30) invalid GPCM, write
access, TRLX = 0, CSNT = 1, CS
negated to A(0:31) invalid GPCM write
access TRLX = 0, CSNT =1 ACS = 10,
or ACS == 11, EBDF = 0 (MIN = 0.50 x
B1 – 2.00)
GPCM BADDR(28:30) invalid GPCM
write access, TRLX = 1, CSNT = 1. CS
negated to A(0:31) invalid GPCM write
access TRLX = 1, CSNT = 1, ACS =
10, or ACS == 11 EBDF = 0 (MIN =
1.50 x B1 – 2.00)
7
(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
43.50
43.50
38.40
38.40
13.20
43.50
5.00
5.00
5.60
Min
33 MHz
Max
—
—
—
—
—
—
—
—
—
—
10.50
35.50
35.50
31.10
31.10
10.50
35.50
3.00
3.00
4.30
Min
40 MHz
Max
—
—
—
—
—
—
—
—
—
—
28.00
28.00
24.20
24.20
28.00
8.00
1.10
1.10
3.00
8.00
Min
50 MHz
Max
—
—
—
—
—
—
—
—
—
—
20.70
20.70
17.50
17.50
20.70
5.60
0.00
0.00
1.80
5.60
Min
66 MHz
MOTOROLA
Max
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns