MPC866P datasheet(22/96 Pages) FREESCALE

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MPC866/MPC859 Hardware Specifications, Rev. 2

Freescale Semiconductor

Bus Signal Timing

B31d CLKOUT falling edge to CS valid, as

requested by control bit CST1 in the

corresponding word in the UPM EBDF

= 1 (MAX = 0.375 x B1 + 6.6)

13.30

18.00

11.30

16.00

9.40

14.10

7.60

12.30

B32

CLKOUT falling edge to BS valid, as

requested by control bit BST4 in the

corresponding word in the UPM (MAX

= 0.00 x B1 + 6.00)

1.50

6.00

1.50

6.00

1.50

6.00

1.50

6.00

B32a CLKOUT falling edge to BS valid, as

requested by control bit BST1 in the

corresponding word in the UPM, EBDF

= 0 (MAX = 0.25 x B1 + 6.80)

7.60

14.30

6.30

13.00

5.00

11.80

3.80

10.50

B32b CLKOUT rising edge to BS valid, as

requested by control bit BST2 in the

corresponding word in the UPM (MAX

= 0.00 x B1 + 8.00)

1.50

8.00

1.50

8.00

1.50

8.00

1.50

8.00

B32c CLKOUT rising edge to BS valid, as

requested by control bit BST3 in the

corresponding word in the UPM (MAX

= 0.25 x B1 + 6.80)

7.60

14.30

6.30

13.00

5.00

11.80

3.80

10.50

B32d CLKOUT falling edge to BS valid- as

requested by control bit BST1 in the

corresponding word in the UPM, EBDF

= 1 (MAX = 0.375 x B1 + 6.60)

13.30

18.00

11.30

16.00

9.40

14.10

7.60

12.30

B33

CLKOUT falling edge to GPL valid, as

requested by control bit GxT4 in the

corresponding word in the UPM (MAX

= 0.00 x B1 + 6.00)

1.50

6.00

1.50

6.00

1.50

6.00

1.50

6.00

B33a CLKOUT rising edge to GPL valid, as

requested by control bit GxT3 in the

corresponding word in the UPM (MAX

= 0.25 x B1 + 6.80)

7.60

14.30

6.30

13.00

5.00

11.80

3.80

10.50

B34

A(0:31), BADDR(28:30), and D(0:31)

to CS valid, as requested by control bit

CST4 in the corresponding word in the

UPM (MIN = 0.25 x B1 - 2.00)

5.60

—

4.30

—

3.00

—

1.80

—

B34a A(0:31), BADDR(28:30), and D(0:31)

to CS valid, as requested by control bit

CST1 in the corresponding word in the

UPM (MIN = 0.50 x B1 – 2.00)

13.20

—

10.50

—

8.00

—

5.60

—

B34b A(0:31), BADDR(28:30), and D(0:31)

to CS valid, as requested by CST2 in

the corresponding word in UPM (MIN =

0.75 x B1 – 2.00)

20.70

—

16.70

—

13.00

—

9.40

—

Table 9. Bus Operation Timings (continued)

Num

Characteristic

33 MHz

40 MHz

50 MHz

66 MHz

Unit

Min

Max

Min

Max

Min

Max

Min

Max

MPC866P Datasheet(PDF) 22 Page - Freescale Semiconductor, Inc

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