PIC16C717-I/SS View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C717-I/SS

18/20-Pin, 8-Bit CMOS Microcontrollers with 10/12-Bit A/D

Microchip Technology 

PIC16C717/770/771

FIGURE 9-5: SPI SLAVE MODE WAVEFORM (CKE = 0)

SS

optional

SCK

(CKP = 0

CKE = 0)

SCK

(CKP = 1

CKE = 0)

Write to

SSPBUF

SDO

bit7

bit6

bit5

bit4

bit3

bit2

SDI

(SMP = 0)

bit7

Input

Sample

(SMP = 0)

SSPIF

Interrupt

Flag

SSPSR to

SSPBUF

bit1

bit0

bit0

Next Q4 cycle

after Q2Ø

FIGURE 9-6: SPI SLAVE MODE WAVEFORM (CKE = 1)

SS

not optional

SCK

(CKP = 0

CKE = 1)

SCK

(CKP = 1

CKE = 1)

Write to

SSPBUF

SDO

SDI

(SMP = 0)

Input

Sample

(SMP = 0)

SSPIF

Interrupt

Flag

SSPSR to

SSPBUF

bit7

bit6

bit5

bit4

bit3

bit2

bit7

bit1 bit0

bit0

Next Q4 cycle

after Q2Ø

© 1999 Microchip Technology Inc.

Advanced Information

DS41120A-page 75

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