PIC18F6520-I Datasheet, PDF (341/380 Pages) Micrel Semiconductor – 64/80-Pin High-Performance, 256 Kbit to 1 Mbit Enhanced Flash Microcontrollers with A/D

PIC18F6520/8520/6620/8620/6720/8720
FIGURE 26-24: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX1/CK1
pin
RC7/RX1/DT1
pin
121
121
120
122
Note: Refer to Figure 26-6 for load conditions.
TABLE 26-23: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Max
120 TCKH2DTV SYNC XMIT (MASTER & SLAVE)
Clock High to Data Out Valid
PIC18FXX20
—
40
PIC18LFXX20 —
100
121 TCKRF Clock Out Rise Time and Fall Time PIC18FXX20
—
20
(Master mode)
PIC18LFXX20 —
50
122 TDTRF Data Out Rise Time and Fall Time PIC18FXX20
—
20
PIC18LFXX20 —
50
Units Conditions
ns
ns VDD = 2.0V
ns
ns VDD = 2.0V
ns
ns VDD = 2.0V
FIGURE 26-25: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX1/CK1
pin
RC7/RX1/DT1
pin
125
126
Note: Refer to Figure 26-6 for load conditions.
TABLE 26-24: 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.
DS39609B-page 339