PIC18LF4420T-I/SO View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4420T-I/SO

28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2420/2520/4420/4520

FIGURE 26-20: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING

RC6/TX/CK

pin

RC7/RX/DT

pin

121

121

120

122

Note: Refer to Figure 26-4 for load conditions.

TABLE 26-22: USART 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 26-21: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING

RC6/TX/CK

pin

RC7/RX/DT

pin

125

126

Note: Refer to Figure 26-4 for load conditions.

TABLE 26-23: 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.

Preliminary

DS39631A-page 357

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