LTC4151 datasheet(15/32 Pages) LINER

15 / 32 page

LTC2945

2945f

Figure 4. LTC2945 Fault Alert Generation Blocks

APPLICATIONS INFORMATION

Figure 5. General Data Transfer over I2C

DIGITAL

COMPARATOR

LOGIC

LATCH

STATUS

RESET

FAULT

ALERT

ENA_ALERT_RESPONSE

MEASURED

DATA

THRESHOLD

DATA

2945 F04

SDA

SCL

a6 - a0

b7 - b0

1 - 7

START

CONDITION

STOP

CONDITION

ADDRESS

ACK

DATA

ACK

R/W

2945 F05

Figure 6. LTC2945 Serial Bus SDA Write Byte Protocol

Figure 7. LTC2945 Serial Bus SDA Write Word Protocol

Figure 8. LTC2945 Serial Bus SDA Write Page Protocol

Figure 9. LTC2945 Serial Bus SDA Read Byte Protocol

Figure 10. LTC2945 Serial Bus SDA Read Word Protocol

Figure 11. LTC2945 Serial Bus SDA Read Page Protocol

ADDRESS

1 1 0 a3:a0

FROM MASTER TO SLAVE

FROM SLAVE TO MASTER

A: ACKNOWLEDGE (LOW)

A: NOT ACKNOWLEDGE (HIGH)

R: READ BIT (HIGH)

COMMAND

DATA

X X b5:b0

b7:b0

2945 F06

W: WRITE BIT (LOW)

S: START CONDITION

P: STOP CONDITION

ADDRESS

1 1 0 a3:a0

COMMAND

DATA

X X b5:b0

2945 F07

b7:b0

ADDRESS

1 1 0 a3:a0

COMMAND

X X b5:b0

2945 F08

b7:b0

DATA

b7:b0

DATA

...

b7:b0

DATA

ADDRESS

1 1 0 a3:a0

1 1 0 a3:a0 1 0

COMMAND

ADDRESS

R A

b7:b0 1

DATA

X X b5:b0

2945 F09

A P

ADDRESS

1 1 0 a3:a0

1 1 0 a3:a0 1 0

COMMAND

ADDRESS

R A

b7:b0

DATA

X X b5:b0

2945 F10

b7:b0

DATA

A P

ADDRESS

1 1 0 a3:a0

1 1 0 a3:a0 1 0

COMMAND

ADDRESS

R A

b7:b0

DATA

X X b5:b0

2945 F11

b7:b0

DATA

A P

...

b7:b0

DATA

LTC4151 Datasheet(PDF) 15 Page - Linear Technology

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