AD7414ART-2REEL データシートの表示（PDF） - Analog Devices

部品番号

コンポーネント説明

メーカー

AD7414ART-2REEL

±0.5°C Accurate, 10-Bit Digital Temperature Sensors in SOT-23

Analog Devices 

AD7414/AD7415

1

9

1

9

SCL

SDA

1

START BY

MASTER

0

0

1 A2 A1 A0 R/W

P7

FRAME 1

SERIAL BUS ADDRESS BYTE

ACK. BY

AD7414/AD7415

P6 P5 P4 P3 P2 P1 P0

ACK. BY

AD7414/AD7415

FRAME 2

ADDRESS POINTER REGISTER BYTE

STOP BY

MASTER

Figure 10. Writing to the Address Pointer Register to Select a Register for a Subsequent Read Operation

1

SCL

9

1

9

•••

SDA

START BY

MASTER

1

1

1

1

A2 A1 A0 R/W

P7 P6 P5 P4 P3 P2 P1 P0

•••

ACK. BY

AD7414/AD7415

FRAME 1

SERIAL BUS ADDRESS BYTE

1

SCL (CONTINUED) • • •

ACK. BY

AD7414/AD7415

FRAME 2

ADDRESS POINTER REGISTER BYTE

9

SDA (CONTINUED) • • • D7 D6 D5 D4 D3 D2 D1 D0

FRAME 3

DATA BYTE

ACK. BY STOP BY

AD7414/AD7415 MASTER

Figure 11. Writing to the Address Pointer Register Followed by a Single Byte of Data to the Selected Register

SCL

SDA

1

START BY

MASTER

0

0

1 A2 A1 A0 R/W

D7

FRAME 1

SERIAL BUS ADDRESS BYTE

ACK. BY

AD7414/AD7415

D6 D5 D4 D3 D2 D1 D0

NO ACK. BY

MASTER

FRAME 2

SINGLE DATA BYTE FROM AD7414/AD7415

STOP BY

MASTER

Figure 12. Reading a Single Byte of Data from a Selected Register

1

SCL

9

1

9

•••

SDA

1

START BY

MASTER

0

0

1 A2 A1 A0 R/W

D15 D14 D13 D12 D10 D11 D9 D8

•••

ACK. BY

AD7414/AD7415

ACK. BY

MASTER

FRAME 1

SERIAL BUS ADDRESS BYTE

FRAME 2

MOST SIGNIFICANT DATA BYTE FROM AD7414/AD7415

1

9

SCL (CONTINUED) • • •

SDA (CONTINUED) • • •

D7 D6 D5 D4 D3 D2 D1 D0

NO ACK. BY STOP BY

FRAME 3

MASTER MASTER

LEAST SIGNIFICANT DATA BYTE FROM AD7414/AD7415

Figure 13. Reading Two Bytes of Data from the Temperature Value Register

Rev. E | Page 11 of 20

Share Link: