SSM2518CBZ-R7 datasheet(23/48 Pages) AD

23 / 48 page

Data Sheet

SSM2518

Rev. A | Page 23 of 48

SCK

SDA

START BY

MASTER

STOP BY

MASTER

SCK

(CONTINUED)

SDA

(CONTINUED)

FRAME 3

DATA BYTE 1

FRAME 4

DATA BYTE 2

FRAME 1

CHIP ADDRESS BYTE

FRAME 2

SUBADDRESS BYTE

ACK

R/W

Figure 32. I2C Read/Write Timing

START

BIT

CHIP ADDRESS

(7 BITS)

DATA BYTE 1

(8 BITS)

STOP

BIT

R/W = 0 ACK BY

SLAVE

SUBADDRESS

(8 BITS)

ACK BY

SLAVE

Figure 33. Single-Word I2C Write Format

DATA-

WORD 1

DATA-

WORD 2

R/W = 0

START

BIT

CHIP ADDRESS

STOP

BIT

ACK BY

SLAVE

SUBADDRESS

ACK BY

SLAVE

ACK BY

SLAVE

ACK BY

SLAVE

Figure 34. Burst Mode I2C Write Format

START

BIT

R/W = 1

CHIP ADDRESS

DATA

BYTE 1

STOP

BIT

R/W = 0

START

BIT

CHIP ADDRESS ACK BY

SLAVE

SUBADDRESS

ACK BY

SLAVE

ACK BY

MASTER

ACK BY

SLAVE

Figure 35. Single-Word I2C Read Format

DATA-

WORD 1

START

BIT

R/W = 1

CHIP ADDRESS

R/W = 0

START

BIT

CHIP ADDRESS

STOP

BIT

ACK BY

SLAVE

SUBADDRESS

ACK BY

SLAVE

ACK BY

MASTER

ACK BY

SLAVE

Figure 36. Burst Mode I2C Read Format

SSM2518CBZ-R7 数据表(PDF) 23 Page - Analog Devices

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