mpc855t Freescale Semiconductor, Inc, mpc855t Datasheet - Page 46

• Manufacturer Part Number: mpc855t
• Description: Mpc855t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

CPM Electrical Characteristics
46
Num
42
43
44
45
46
SDACK assertion delay from clock high
SDACK negation delay from clock low
SDACK negation delay from TA low
SDACK negation delay from clock high
TA assertion to rising edge of the clock setup time (applies to external TA)
(Output)
(Output)
(Output)
(Output)
DREQ
(Input)
SDACK
CLKO
(Input)
CLKO
Figure 46. SDACK Timing Diagram—Peripheral Write, Externally-Generated TA
DATA
R/W
TS
TA
MPC860 PowerQUICC™ Family Hardware Specifications, Rev. 8
Figure 45. IDMA External Requests Timing Diagram
Table 16. IDMA Controller Timing (continued)
Characteristic
42
40
46
43
41
Min
All Frequencies
—
—
—
—
7
Freescale Semiconductor
Max
12
12
20
15
—
Unit
ns
ns
ns
ns
ns