mpc855t Freescale Semiconductor, Inc, mpc855t Datasheet - Page 19

• Manufacturer Part Number: mpc855t
• Description: Mpc855t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
B31a
B31b
B31d
B32a
B32b
B32d
B33a
B34a
B34b
Num
B31c
B32c
B32
B33
B34
CLKOUT falling edge to CS valid—as
requested by control bit CST1 in the
corresponding word in UPM
CLKOUT rising edge to CS valid—as
requested by control bit CST2 in the
corresponding word in UPM
CLKOUT rising edge to CS valid—as
requested by control bit CST3 in the
corresponding word in UPM
CLKOUT falling edge to CS valid—as
requested by control bit CST1 in the
corresponding word in UPM, EBDF = 1
CLKOUT falling edge to BS valid—as
requested by control bit BST4 in the
corresponding word in UPM
CLKOUT falling edge to BS valid—as
requested by control bit BST1 in the
corresponding word in UPM, EBDF = 0
CLKOUT rising edge to BS valid—as
requested by control bit BST2 in the
corresponding word in UPM
CLKOUT rising edge to BS valid—as
requested by control bit BST3 in the
corresponding word in UPM
CLKOUT falling edge to BS valid—as
requested by control bit BST1 in the
corresponding word in UPM, EBDF = 1
CLKOUT falling edge to GPL valid—as
requested by control bit GxT4 in the
corresponding word in UPM
CLKOUT rising edge to GPL valid—as
requested by control bit GxT3 in the
corresponding word in UPM
A(0:31), BADDR(28:30), and D(0:31) to CS
valid—as requested by control bit CST4 in
the corresponding word in UPM
A(0:31), BADDR(28:30), and D(0:31) to CS
valid—as requested by control bit CST1 in
the corresponding word in UPM
A(0:31), BADDR(28:30), and D(0:31) to CS
valid—as requested by control bit CST2 in
the corresponding word in UPM
Characteristic
MPC860 PowerQUICC™ Family Hardware Specifications, Rev. 8
Table 7. Bus Operation Timings (continued)
13.26
13.26
13.15
20.73
7.58
1.50
7.58
1.50
7.58
1.50
7.58
1.50
7.58
5.58
Min
33 MHz
14.33
14.33
17.99
14.33
14.33
17.99
14.33
Max
8.00
6.00
8.00
6.00
—
—
—
11.28
11.28
10.50
16.75
6.25
1.50
6.25
1.50
6.25
1.50
6.25
1.50
6.25
4.25
Min
40 MHz
13.00
13.00
16.00
13.00
13.00
16.00
13.00
Max
8.00
6.00
8.00
6.00
—
—
—
13.00
5.00
1.50
5.00
9.40
1.50
5.00
1.50
5.00
9.40
1.50
5.00
3.00
8.00
Min
50 MHz
11.75
11.75
14.13
11.75
11.75
14.13
11.75
Max
8.00
6.00
8.00
6.00
—
—
—
3.80
1.50
3.80
7.58
1.50
3.80
1.50
3.80
7.58
1.50
3.80
1.79
5.58
9.36
Min
66 MHz
Bus Signal Timing
10.54
10.04
12.31
10.54
10.54
12.31
10.54
Max
8.00
6.00
8.00
6.00
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
19