PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 353

• Manufacturer Part Number: PIC18F258
• Description: High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 27-20:
TABLE 27-21: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
FIGURE 27-21:
TABLE 27-22: USART SYNCHRONOUS RECEIVE REQUIREMENTS
120
121
122
125
126
Note: Refer to Figure 27-4 for load conditions.
Param
Param
RC7/RX/DT
2002 Microchip Technology Inc.
RC6/TX/CK
No.
No.
Note: Refer to Figure 27-4 for load conditions.
RC7/RX/DT
RC6/TX/CK
TckH2dtV SYNC XMIT (Master & Slave)
Tckrf
Tdtrf
TdtV2ckl
TckL2dtl
pin
Symbol
pin
Symbol
pin
pin
Clock high to data-out valid
Clock out rise time and fall time
(Master mode)
Data-out rise time and fall time
SYNC RCV (Master & Slave)
Data-hold before CK
Data-hold after CK
USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
120
Characteristic
121
Characteristic
(DT hold time)
125
(DT hold time)
Preliminary
121
PIC18FXX8
PIC18LFXX8
PIC18FXX8
PIC18LFXX8
PIC18FXX8
PIC18LFXX8
126
Min
10
15
Min
—
—
—
—
—
—
Max
122
—
—
Max
Units
100
40
20
50
20
50
ns
ns
PIC18FXX8
Units
ns
ns
ns
ns
ns
ns
DS41159B-page 351
Conditions
Conditions