MSC8112 Datasheet, PDF (31/44 Pages) Freescale Semiconductor, Inc – Dual Core Digital Signal Processor

2.5.8 UART Timing
Table 22. UART Timing
No.
Characteristics
400 URXD and UTXD inputs high/low duration
401 URXD and UTXD inputs rise/fall time
402 UTXD output rise/fall time
Expression
16 × T_REFCLK
Min
160.0
Max
Un
it
— ns
10 ns
10 ns
UTXD, URXD
inputs
401
401
400
400
Figure 20. UART Input Timing
402
402
UTXD output
Figure 21. UART Output Timing
2.5.9 Timer Timing
Table 23. Timer Timing
No.
Characteristics
500 TIMERx frequency
501 TIMERx Input high period
502 TIMERx Output low period
503 TIMERx Propagations delay from its clock input
Ref = CLKIN
Min Max
10.0
—
4.0
—
4.0
—
3.1
9.5
Unit
ns
ns
ns
ns
500
501
502
TIMERx (Input)
TIMERx (Output)
503
Figure 22. Timer Timing
MSC8112 Dual Core Digital Signal Processor Data Sheet, Rev. 0
Freescale Semiconductor
31