MPC859T FREESCALE [Freescale Semiconductor, Inc], MPC859T Datasheet - Page 49

• Manufacturer Part Number: MPC859T
• Description: Hardware Specifications
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Figure 46 shows the port C interrupt detection timing.
12.3
Table 18 shows the IDMA controller timings as shown in Figure 47 through Figure 50.
MOTOROLA
Num
40
41
42
43
44
45
46
(Output)
DREQ
(Input)
(Input)
Port C
DREQ setup time to clock high
DREQ hold time from clock high
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 falling edge of the clock setup time (applies to external TA)
CLKO
IDMA Controller AC Electrical Specifications
Figure 47. IDMA External Requests Timing Diagram
Freescale Semiconductor, Inc.
Figure 46. Port C Interrupt Detection Timing
For More Information On This Product,
MPC866/859 Hardware Specifications
Table 18. IDMA Controller Timing
Characteristic
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40
35
41
CPM Electrical Characteristics
36
All Frequencies
Min
—
—
—
—
7
3
7
Max
12
12
20
15
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
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