參數(shù)資料
型號(hào): MPC857T
廠商: Motorola, Inc.
英文描述: Hardware Specifications
中文描述: 硬件規(guī)格
文件頁(yè)數(shù): 48/88頁(yè)
文件大?。?/td> 1104K
代理商: MPC857T
48
MPC862/857T/857DSL Hardware Specifications
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
CPM Electrical Characteristics
Figure 44. Parallel I/O Data-In/Data-Out Timing Diagram
11.2
Port C Interrupt AC Electrical Specifications
Table 15 provides the timings for port C interrupts.
Figure 45 shows the port C interrupt detection timing.
Figure 45. Port C Interrupt Detection Timing
11.3
IDMA Controller AC Electrical Specifications
Table 16 provides the IDMA controller timings as shown in Figure 46 though Figure 49.
Table 15. Port C Interrupt Timing
Num
Characteristic
33.34 MHz
Unit
Min
Max
35
Port C interrupt pulse width low (edge-triggered mode)
55
ns
36
Port C interrupt minimum time between active edges
55
ns
Table 16. IDMA Controller Timing
Num
Characteristic
All Frequencies
Unit
Min
Max
40
DREQ setup time to clock high
7
ns
41
DREQ hold time from clock high
3
ns
42
SDACK assertion delay from clock high
12
ns
CLKO
DATA-IN
29
31
30
DATA-OUT
Port C
(Input)
35
36
F
Freescale Semiconductor, Inc.
n
.
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