MPC857T Freescale Semiconductor, Inc, MPC857T Datasheet - Page 49
MPC857T
Manufacturer Part Number
MPC857T
Description
Mpc857t Powerquicc Integrated Communications Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC857T.pdf
(88 pages)
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Freescale Semiconductor
Num
43
44
45
46
(Output)
(Output)
(Output)
(Output)
SDACK negation delay from clock low
SDACK negation delay from TA low
SDACK negation delay from clock high
TA assertion to falling edge of the clock setup time (applies to external TA)
SDACK
DREQ
(Input)
(Input)
CLKO
CLKO
DATA
Figure 47. SDACK Timing Diagram—Peripheral Write, Externally-Generated TA
R/W
TS
TA
MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3
Figure 46. IDMA External Requests Timing Diagram
Table 16. IDMA Controller Timing (continued)
Characteristic
42
40
46
43
41
All Frequencies
Min
—
—
—
7
CPM Electrical Characteristics
Max
12
20
15
—
Unit
ns
ns
ns
ns
49