Specifications
Table 2-21. SCI Timing (Continued)
80 MHz
100 MHz
No.
Characteristics1
Symbol
Expression
Unit
Min Max Min Max
Notes: 1.
V
t
t
= 3.3 V 0.3 V; T = −40°C to +100 °C, C = 50 pF
J L
= synchronous clock cycle time (For internal clock, t
= asynchronous clock cycle time; value given for 1X Clock mode (For internal clock, t
CC
SCC
ACC
2.
3.
is determined by the SCI clock control register and T )
SCC C.
is determined by the SCI clock
ACC
control register and T
)
C.
400
402
404
401
SCLK
(Output)
403
Data Valid
405
TXD
406
Data
Valid
RXD
a) Internal Clock
400
402
401
SCLK
(Input)
407
408
TXD
RXD
Data Valid
409
410
Data Valid
b) External Clock
Figure 2-38. SCI Synchronous Mode Timing
DSP56301 Technical Data, Rev. 10
2-42
Freescale Semiconductor
FREESCALE [ Freescale ]
