PIC18FXX8 Datasheet, PDF (359/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

PIC18FXX8
FIGURE 27-21: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
121
121
120
122
Note: Refer to Figure 27-5 for load conditions.
TABLE 27-21: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Max
120 TckH2dtV SYNC XMIT (Master & Slave)
Clock High to Data-Out Valid
PIC18FXX8
—
50
PIC18LFXX8 —
150
121 Tckrf
Clock Out Rise Time and Fall Time PIC18FXX8
—
25
(Master mode)
PIC18LFXX8 —
60
122 Tdtrf
Data-Out Rise Time and Fall Time PIC18FXX8
—
25
PIC18LFXX8 —
60
Units Conditions
ns
ns
ns
ns
ns
ns
FIGURE 27-22: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
125
126
Note: Refer to Figure 27-5 for load conditions.
TABLE 27-22: USART SYNCHRONOUS RECEIVE REQUIREMENTS
Param
No.
Symbol
Characteristic
Min Max
125 TdtV2ckl SYNC RCV (Master & Slave)
Data-Hold before CK ↓ (DT hold time)
126 TckL2dtl Data-Hold after CK ↓ (DT hold time)
10
—
15
—
Units
ns
ns
Conditions
 2004 Microchip Technology Inc.
DS41159D-page 357