PIC18F2455T-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F2455T-I/ML

28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

Microchip Technology 

PIC18F2455/2550/4455/4550

FIGURE 28-19: EUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING

RC6/TX/CK

pin

RC7/RX/DT/SDO

pin

121

121

120

122

Note: Refer to Figure 28-4 for load conditions.

TABLE 28-23: 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 28-20: EUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING

RC6/TX/CK

pin

RC7/RX/DT/SDO

pin

125

126

Note: Refer to Figure 28-4 for load conditions.

TABLE 28-24: 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.

DS39632E-page 401

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