MPC870 FREESCALE [Freescale Semiconductor, Inc], MPC870 Datasheet - Page 21

• Manufacturer Part Number: MPC870
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Bus Signal Timing
21
B31a
B31b
B31c
B31d
B32a
B32b
B32c
B32d
Num
B31
B32
B33
CLKOUT falling edge to CS valid, as
requested by control bit CST4 in the
corresponding word in the UPM
(MAX = 0.00
CLKOUT falling edge to CS valid, as
requested by control bit CST1 in the
corresponding word in the UPM
(MAX = 0.25
CLKOUT rising edge to CS valid, as
requested by control bit CST2 in the
corresponding word in the UPM
(MAX = 0.00
CLKOUT rising edge to CS valid, as
requested by control bit CST3 in the
corresponding word in the UPM
(MAX = 0.25
CLKOUT falling edge to CS valid, as
requested by control bit CST1 in the
corresponding word in the UPM EBDF = 1
(MAX = 0.375
CLKOUT falling edge to BS valid, as
requested by control bit BST4 in the
corresponding word in the UPM
(MAX = 0.00
CLKOUT falling edge to BS valid, as
requested by control bit BST1 in the
corresponding word in the UPM, EBDF = 0
(MAX = 0.25
CLKOUT rising edge to BS valid, as
requested by control bit BST2 in the
corresponding word in the UPM
(MAX = 0.00
CLKOUT rising edge to BS valid, as
requested by control bit BST3 in the
corresponding word in the UPM
(MAX = 0.25
CLKOUT falling edge to BS valid, as
requested by control bit BST1 in the
corresponding word in the UPM, EBDF = 1
(MAX = 0.375
CLKOUT falling edge to GPL valid, as
requested by control bit GxT4 in the
corresponding word in the UPM
(MAX = 0.00
×
×
×
×
×
×
×
×
×
Characteristic
×
×
B1 + 6.00)
B1 + 6.80)
B1 + 8.00)
B1 + 6.30)
B1 + 6.00)
B1 + 6.80)
B1 + 8.00)
B1 + 6.80)
B1 + 6.00)
B1 + 6.6)
B1 + 6.60)
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
MPC875/MPC870 Hardware Specifications, Rev. 3.0
Table 10. Bus Operation Timings (continued)
13.30 18.00 11.30 16.00 7.60 12.30 4.69 11.30
13.30 18.00 11.30 16.00 7.60 12.30 4.49 11.30
1.50
7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00
1.50
7.60 13.80 6.30 12.50 3.80 10.00 3.13
1.50
7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00
1.50
7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00
1.50
Min
33 MHz
Max
6.00
8.00
6.00
8.00
6.00
1.50
1.50
1.50
1.50
1.50
Min
40 MHz
Max
6.00
8.00
6.00
8.00
6.00
1.50
1.50
1.50
1.50
1.50
Min
66 MHz
Max
6.00
8.00
6.00
8.00
6.00
Freescale Semiconductor
1.50
1.50
1.50
1.50
1.50
Min
80 MHz
Max
6.00
8.00
9.40
6.00
8.00
6.00
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns