PIC18LF4580ISOSQTP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF4580ISOSQTP

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

Microchip Technology 

PIC18F2480/2580/4480/4580

FIGURE 18-5:

SS

Optional

SCK

(CKP = 0

CKE = 0)

SCK

(CKP = 1

CKE = 0)

Write to

SSPBUF

SDO

SDI

(SMP = 0)

Input

Sample

(SMP = 0)

SSPIF

Interrupt

Flag

SSPSR to

SSPBUF

SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0)

bit 7

bit 6 bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

bit 7

bit 0

Next Q4 Cycle

after Q2↓

FIGURE 18-6:

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

SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 1)

bit 7

bit 6 bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

bit 7

bit 0

Next Q4 Cycle

after Q2↓

DS39637D-page 198

© 2009 Microchip Technology Inc.

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