PIC17LC752-08/PSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC17LC752-08/PSQTP

High-Performance 8-Bit CMOS EPROM Microcontrollers

Microchip Technology 

PIC17C75X

FIGURE 20-15: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING

TX/CK

pin

RX/DT

pin

121

120

121

122

TABLE 20-15: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS

Param.

No. Sym

Characteristic

Min Typ† Max Units Conditions

120 TckH2dtV SYNC XMIT (MASTER &

SLAVE)

Clock high to data out valid

PIC17CXXX

PIC17LCXXX

— — 50 ns

— — 75 * ns

121 TckRF

Clock out rise time and fall time PIC17CXXX

(Master Mode)

PIC17LCXXX

— — 25 ns

— — 40 * ns

122 TdtRF Data out rise time and fall time PIC17CXXX

— — 25 ns

PIC17LCXXX

— — 40 * ns

†

Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

FIGURE 20-16: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING

TX/CK

pin

RX/DT

pin

125

126

TABLE 20-16: USART SYNCHRONOUS RECEIVE REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ† Max Units Conditions

125

TdtV2ckL SYNC RCV (MASTER & SLAVE)

Data hold before CK↓ (DT hold time)

15

—

—

ns

126

TckL2dtl Data hold after CK↓ (DT hold time)

15

—

—

ns

†

Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

DS30264A-page 244

Preliminary

© 1997 Microchip Technology Inc.

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