參數(shù)資料
型號: MSC8144E
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: Quad Core Digital Signal Processor
中文描述: 四核心數(shù)字信號處理器
文件頁數(shù): 52/80頁
文件大?。?/td> 1145K
代理商: MSC8144E
MSC8144E Quad Core Digital Signal Processor Data Sheet, Rev. 6
Freescale Semiconductor
52
Note: For some TDM modes transmit data is being output on other pins. This timing is valid for it as well. See the
MSC8144E
Reference Manual
2.7.8
UART Timing
Figure 22
shows the UART input AC timing
Figure 23
shows the UART output AC timing
Figure 21. TDM Output Signals
Table 43. UART Timing
Characteristics
Symbol
Expression
Min
Max
Unit
URXD and UTXD inputs high/low duration
T
UREFCLK
T
UAVKH
16
×
T
REFCLK
160
ns
URXD and UTXD inputs rise/fall time
6
ns
UTXD output rise/fall time
T
UAVXH
5.5
ns
Note:
T
UREFCLK
= T
REFCLK
is guaranteed by design.
Figure 22. UART Input Timing
Figure 23. UART Output Timing
TDMxTCLK
TDMxTDAT
~
~
TDMxTSYN
t
TDMDHOX
t
TDMDHOV
t
TDMDHOZ
t
TDMHOX
t
TDMC
t
TDMCH
t
TDMCL
t
TDMSHOX
t
TDMSHOV
UTXD, URXD
inputs
T
UREFCLK
T
UAVKH
T
UAVKH
T
UREFCLK
UTXD output
T
UAVXH
T
UAVXH
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