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

Single Byte Write Operation

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

CE

SCK

SDI

SDO

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

A7=1

A A A A A A A A DDDDDDDD

7654321076543210

MSb

LSb

High Z

Single Byte Read Operation

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

CE

SCK

SDI

123456789

A7=0

AAAAAAAA

76543210

10 11

12 13 14 15 16

SDO

High Z

D

7

MSb

D High Z

0

LSb

SPI Multiple Byte Transfer

CE

SCK

Write Operation

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

SDI

Address Byte = 80hex Control Byte

A7

A0

D7

D0

SDO

High Z

Read Operation

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

SDI Address Byte = 02hex

A7

A0

SDO High Z

MSB Temp. Byte

D7

D0

LSB Temp. Byte

D7

D0

Control Byte

D7

FIGURE 4-3:

Serial Interface Timing Diagrams (CP=0).

High Z

D0

DS21743B-page 14

© 2011 Microchip Technology Inc.

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