PIC18LF4682-I/ML 查看數據表（PDF） - Microchip Technology

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PIC18LF4682-I/ML

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

Microchip Technology 

PIC18F2682/2685/4682/4685

FIGURE 17-5:

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 17-6:

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↓

DS39761B-page 194

Preliminary

© 2007 Microchip Technology Inc.

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