PIC18F2331_07 Datasheet, PDF (370/400 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

PIC18F2331/2431/4331/4431
FIGURE 25-19: EUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX/CK/SS
pin
RC7/RX/DT/SDO
pin
121
121
120
122
Note: Refer to Figure 25-4 for load conditions.
TABLE 25-19: EUSART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Max
120 TckH2dtV SYNC XMIT (MASTER & SLAVE)
Clock High to Data Out Valid
PIC18FXX31 —
40
PIC18LFXX31 —
100
121 Tckrf
Clock Out Rise Time and Fall Time PIC18FXX31 —
20
(Master mode)
PIC18LFXX31 —
50
122 Tdtrf
Data Out Rise Time and Fall Time PIC18FXX31 —
20
PIC18LFXX31 —
50
Units Conditions
ns
ns
ns
ns
ns
ns
FIGURE 25-20: EUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX/CK/SS
pin
RC7/RX/DT/SDO
pin
125
126
Note: Refer to Figure 25-4 for load conditions.
TABLE 25-20: EUSART 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
DS39616C-page 368
Preliminary
© 2007 Microchip Technology Inc.