PIC18F2480_09 Datasheet, PDF (455/490 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2480/2580/4480/4580
FIGURE 28-20: EUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX/CK
Pin
RC7/RX/DT
Pin
121
121
120
122
TABLE 28-22: EUSART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Max
120 TCKH2DTV SYNC XMIT (MASTER & SLAVE)
Clock High to Data Out Valid
PIC18FXXXX
—
40
PIC18LFXXXX —
100
121 TCKRF
Clock Out Rise Time and Fall Time PIC18FXXXX
—
20
(Master mode)
PIC18LFXXXX —
50
122 TDTRF Data Out Rise Time and Fall Time PIC18FXXXX
—
20
PIC18LFXXXX —
50
Units Conditions
ns
ns VDD = 2.0V
ns
ns VDD = 2.0V
ns
ns VDD = 2.0V
FIGURE 28-21: EUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX/CK
Pin
RC7/RX/DT
Pin
125
126
Note: Refer to Figure 28-4 for load conditions.
TABLE 28-23: 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
© 2009 Microchip Technology Inc.
DS39637D-page 455