MPC859T FREESCALE [Freescale Semiconductor, Inc], MPC859T Datasheet - Page 22
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
22
B32c CLKOUT rising edge to BS valid, as
B32d CLKOUT falling edge to BS valid- as
B33a CLKOUT rising edge to GPL valid, as
B34a A(0:31), BADDR(28:30), and D(0:31)
B34b A(0:31), BADDR(28:30), and D(0:31)
B35a A(0:31), BADDR(28:30), and D(0:31)
B35b A(0:31), BADDR(28:30), and D(0:31)
Num
B33 CLKOUT falling edge to GPL valid, as
B34 A(0:31), BADDR(28:30), and D(0:31)
B35 A(0:31), BADDR(28:30) to CS valid, as
B36 A(0:31), BADDR(28:30), and D(0:31)
requested by control bit BST3 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.80)
requested by control bit BST1 in the
corresponding word in the UPM, EBDF
= 1 (MAX = 0.375 x B1 + 6.60)
requested by control bit GxT4 in the
corresponding word in the UPM (MAX
= 0.00 x B1 + 6.00)
requested by control bit GxT3 in the
corresponding word in the UPM (MAX
= 0.25 x B1 + 6.80)
to CS valid, as requested by control bit
CST4 in the corresponding word in the
UPM (MIN = 0.25 x B1 - 2.00)
to CS valid, as requested by control bit
CST1 in the corresponding word in the
UPM (MIN = 0.50 x B1 – 2.00)
to CS valid, as requested by CST2 in
the corresponding word in UPM (MIN =
0.75 x B1 – 2.00)
requested by control bit BST4 in the
corresponding word in the UPM (MIN =
0.25 x B1 – 2.00)
to BS valid, as Requested by BST1 in
the corresponding word in the UPM
(MIN = 0.50 x B1 – 2.00)
to BS valid, as requested by control bit
BST2 in the corresponding word in the
UPM (MIN = 0.75 x B1 – 2.00)
to GPL valid as requested by control bit
GxT4 in the corresponding word in the
UPM (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
13.30
13.20
20.70
13.20
20.70
7.60
1.50
7.60
5.60
5.60
5.60
Min
33 MHz
14.30
18.00
14.30
Max
6.00
—
—
—
—
—
—
—
11.30
10.50
16.70
10.50
16.70
6.30
1.50
6.30
4.30
4.30
4.30
Min
40 MHz
13.00
16.00
13.00
Max
6.00
—
—
—
—
—
—
—
13.00
13.00
5.00
9.40
1.50
5.00
3.00
8.00
3.00
8.00
3.00
Min
50 MHz
11.80
14.10
11.80
Max
6.00
—
—
—
—
—
—
—
3.80
7.60
1.50
3.80
1.80
5.60
9.40
1.80
5.60
9.40
1.80
Min
66 MHz
MOTOROLA
10.50
12.30
10.50
Max
6.00
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns