PIC18CXX2_13 Datasheet, PDF (260/304 Pages) Microchip Technology – High Performance Microcontrollers with 10-bit A/D

PIC18CXX2
FIGURE 21-20: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
121
121
120
122
Note: Refer to Figure 21-4 for load conditions.
TABLE 21-19: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param.
No.
Symbol
Characteristic
Min
Max
120 TckH2dtV SYNC XMIT (MASTER & SLAVE)
Clock high to data out valid
PIC18CXXX
—
40
PIC18LCXXX —
100
121 Tckrf
Clock out rise time and fall time
PIC18CXXX
—
25
(Master mode)
PIC18LCXXX —
50
122 Tdtrf
Data out rise time and fall time
PIC18CXXX
—
25
PIC18LCXXX —
50
Units Conditions
ns
ns
ns
ns
ns
ns
FIGURE 21-21: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
125
126
Note: Refer to Figure 21-4 for load conditions.
TABLE 21-20: USART SYNCHRONOUS RECEIVE REQUIREMENTS
Param.
No.
Symbol
125 TdtV2ckl
126 TckL2dtl
Characteristic
SYNC RCV (MASTER & SLAVE)
Data hold before CK  (DT hold time)
Data hold after CK  (DT hold time)
Min Max Units
10
—
ns
15
—
ns
Conditions
DS39026D-page 260
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