TC72(2011) 查看數據表（PDF） - Microchip Technology

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TC72
(Rev.:2011)

Digital Temperature Sensor with SPI™ Interface

Microchip Technology 

TC72

SPI READ DATA TRANSFER

(CP = 0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7 = 0)

CE

SCK

tCC

tDC tCDH

SDI

A7 MSb

SDO

HIGH Z

1/fCLK

tF

tR

tCH tCL

A0 LSb

tCDD

D7 MSb

tCWH

tCCH

tCDZ

D0 LSb

HIGH Z

SPI WRITE DATA TRANSFER

(CP = 0, data shifted on rising edge of SCK, data clocked on falling edge of SCK, A7 = 1)

CE

tCWH

SCK

SDI

1/fCLK

tCC

tCCH

tF

tR

tCH tCL

tDC

tCDH

A7 = 1 MSb

A0 LSb D7 MSb

D0

LSb

Note: The timing diagram is drawn with CP = 0. The TC72 also functions with CP = 1;

however, the edges of SCK are reversed as defined in Table 4-3 and Figure 4-2.

FIGURE 1-1:

Serial Port Timing Diagrams.

© 2011 Microchip Technology Inc.

DS21743B-page 5

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