MPC866P datasheet(22/92 Pages) FREESCALE

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MPC866/859 Hardware Speciﬁcations

MOTOROLA

Bus Signal Timing

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

—

B35

A(0:31), BADDR(28:30) to CS valid, as

requested by control bit BST4 in the

corresponding word in the UPM (MIN =

0.25 x B1 – 2.00)

5.60

—

4.30

—

3.00

—

1.80

—

B35a A(0:31), BADDR(28:30), and D(0:31)

to BS valid, as Requested by BST1 in

the corresponding word in the UPM

(MIN = 0.50 x B1 – 2.00)

13.20

—

10.50

—

8.00

—

5.60

—

B35b A(0:31), BADDR(28:30), and D(0:31)

to BS valid, as requested by control bit

BST2 in the corresponding word in the

UPM (MIN = 0.75 x B1 – 2.00)

20.70

—

16.70

—

13.00

—

9.40

—

B36

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

to GPL valid as requested by control bit

GxT4 in the corresponding word in the

UPM (MIN = 0.25 x B1 – 2.00)

5.60

—

4.30

—

3.00

—

1.80

—

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

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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