MSC8144 Freescale Semiconductor, MSC8144 Datasheet - Page 53

• Manufacturer Part Number: MSC8144
• Description: Quad Core Digital Signal Processor
• Manufacturer: Freescale Semiconductor

Note: For some TDM modes transmit data is being output on other pins. This timing is valid for it as well. See the MSC8144
Reference Manual
2.7.8
Figure 22 shows the UART input AC timing
Figure 23 shows the UART output AC timing
Freescale Semiconductor
URXD and UTXD inputs high/low duration
URXD and UTXD inputs rise/fall time
UTXD output rise/fall time
Note:
T
UREFCLK
UART Timing
UTXD, URXD
inputs
UTXD output
= T
TDMxTSYN
REFCLK
TDMxTCLK
TDMxTDAT
Characteristics
MSC8144 Quad Core Digital Signal Processor Data Sheet, Rev. 1
is guaranteed by design.
Figure 23. UART Output Timing
Figure 21. TDM Output Signals
Figure 22. UART Input Timing
T
T
UAVKH
UAVXH
Table 40. UART Timing
t
t
TDMDHOX
TDMDHOV
T
UREFCLK
t
TDMCH
T
t
Symbol
TDMSHOV
T
T
UREFCLK
UAVKH
UAVXH
t
TDMC
T
t
TDMCL
UAVXH
T
UAVKH
16 × T
Expression
REFCLK
T
UREFCLK
t
t
TDMHOX
TDMDHOZ
t
Min
160
TDMSHOX
Max
5.5
—
6
Unit
ns
ns
ns
53