參數(shù)資料
型號: MC9S08LL16CLH
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
封裝: ROHS COMPLIANT, LQFP-64
文件頁數(shù): 26/44頁
文件大?。?/td> 951K
代理商: MC9S08LL16CLH
MC9S08LL16 Series MCU Data Sheet, Rev. 6
Electrical Characteristics
Freescale Semiconductor
32
Figure 20. Timer Input Capture Pulse
3.10.3
SPI Timing
Table 15 and Figure 21 through Figure 24 describe the timing requirements for the SPI system.
Table 15. SPI Timing
No.
C
Function
Symbol
Min
Max
Unit
D
Operating frequency
Master
Slave
fop
fBus/2048
0
fBus/2
fBus/4
Hz
D
SPSCK period
Master
Slave
tSPSCK
2
4
2048
tcyc
D
Enable lead time
Master
Slave
tLead
1
2
1
tSPSCK
tcyc
D
Enable lag time
Master
Slave
tLag
1
2
1
tSPSCK
tcyc
D
Clock (SPSCK) high or low time
Master
Slave
tWSPSCK
tcyc –30
tcyc – 30
1024 tcyc
ns
D
Data setup time (inputs)
Master
Slave
tSU
15
ns
D
Data hold time (inputs)
Master
Slave
tHI
0
25
ns
D
Slave access time
ta
—1
tcyc
D
Slave MISO disable time
tdis
—1
tcyc
D
Data valid (after SPSCK edge)
Master
Slave
tv
25
ns
t
ICPW
TPMCHn
t
ICPW
TPMCHn
1
2
3
4
5
6
7
8
9
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