參數(shù)資料
型號: MPC855
廠商: Motorola, Inc.
英文描述: Family Hardware Specifications
中文描述: 家庭硬件規(guī)格
文件頁數(shù): 60/76頁
文件大?。?/td> 857K
代理商: MPC855
60
MPC860 Family Hardware Specifications
MOTOROLA
SMC Transparent AC Electrical Specifications
11.8 SMC Transparent AC Electrical Specifications
Table 11-21 provides the SMC transparent timings as shown in Figure 11-62.
Figure 11-62. SMC Transparent Timing Diagram
11.9 SPI Master AC Electrical Specifications
Table 11-22 provides the SPI master timings as shown in Figure 11-63 and Figure 11-64.
Table 11-21. SMC Transparent Timing
Num
Characteristic
All Frequencies
Unit
Min
Max
150
SMCLK clock period
1
1
SYNCCLK must be at least twice as fast as SMCLK.
100
ns
151
SMCLK width low
50
ns
151A
SMCLK width high
50
ns
152
SMCLK rise/fall time
15
ns
153
SMTXD active delay (from SMCLK falling edge)
10
50
ns
154
SMRXD/SMSYNC setup time
20
ns
155
RXD1/SMSYNC hold time
5
ns
SMCLK
SMRXD
(Input)
152
150
SMTXD
(Output)
152
151
SMSYNC
151
154
153
155
154
155
NOTE
NOTE:
1.
This delay is equal to an integer number of character-length clocks.
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