MPC857T Freescale Semiconductor, Inc, MPC857T Datasheet - Page 48

• Manufacturer Part Number: MPC857T
• Description: Mpc857t Powerquicc Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

CPM Electrical Characteristics
11.2
Table 15
Figure 45
11.3
Table 16
48
Num
Num
35
36
40
41
42
provides the timings for port C interrupts.
provides the IDMA controller timings as shown in
Port C Interrupt AC Electrical Specifications
IDMA Controller AC Electrical Specifications
shows the port C interrupt detection timing.
DATA-OUT
Port C interrupt pulse width low (edge-triggered mode)
Port C interrupt minimum time between active edges
DREQ setup time to clock high
DREQ hold time from clock high
SDACK assertion delay from clock high
(Input)
DATA-IN
Port C
CLKO
MPC862/857T/857DSL PowerQUICC™ Family Hardware Specifications, Rev. 3
Figure 44. Parallel I/O Data-In/Data-Out Timing Diagram
Figure 45. Port C Interrupt Detection Timing
Characteristic
Characteristic
Table 16. IDMA Controller Timing
Table 15. Port C Interrupt Timing
35
29
31
Figure 46
though
30
36
Min
All Frequencies
Min
55
55
—
7
3
Figure
33.34 MHz
Freescale Semiconductor
49.
Max
Max
12
—
—
—
—
Unit
Unit
ns
ns
ns
ns
ns