MPC859T datasheet(21/92 Pages) FREESCALE

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MPC866/859 Hardware Speciﬁcations

Bus Signal Timing

B30c WE(0:3) negated to A(0:31),

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, ACS == 11, EBDF = 1 (MIN = 0.375

x B1 – 3.00)

8.40

—

6.40

—

4.50

—

2.70

—

B30d WE(0:3) negated to A(0:31),

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 11, EBDF = 1

38.67

—

31.38

—

24.50

—

17.83

—

B31

CLKOUT falling edge to CS valid, as

requested by control bit CST4 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

B31a CLKOUT falling edge to CS valid, as

requested by control bit CST1 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

B31b CLKOUT rising edge to CS valid, as

requested by control bit CST2 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

B31c CLKOUT rising edge to CS valid, as

requested by control bit CST3 in the

corresponding word in the UPM (MAX

= 0.25 x B1 + 6.30)

7.60

13.80

6.30

12.50

5.00

11.30

3.80

10.00

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

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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