ADR6

bit7

ADR5

bit6

ADR4

bit5

ADR3

bit4

ADR2

bit3

ADR1

bit2

ADR0

bit1

R/W

bit0

MSB

LSB

0

0

0

1

1

0

0

I

2

C Slave Address (chip address)

start

msb Chip Address lsb

w

ack

msb Register Add lsb

ack

msb

DATA

lsb

ack

stop

ack from slave

ack from slave

ack from slave

SCL

SDA

start

Id = 0x30

w

ack

addr = 0x07

ack

ack

data = 0x0B

stop

LM3565

SNVS957 – JANUARY 2013

www.ti.com

NOTE: w = write (SDA = "0"), ack = acknowledge (SDA pulled down by the slave), id = chip address, 30h for LM3565

Figure 50. Write Cycle

The chip address for LM3565 is 0110000, or 30hex.

Internal Registers of LM3565

Table 1. Summary of LM3565 Registers

REGISTER

INTERNAL HEX ADDRESS

POWER ON VALUE

Design Information Register

0x00

0011 0100

Version Control Register

0x01

0000 0110

Current Set Register

0x02

0000 1001

TX-Mask Register

0x03

0111 1011

Low Voltage Control Register

0x04

0100 0100

Timing Control Register

0x05

0010 0011

Strobe Signaling Register

0x06

1100 1000

Output Mode Register

0x07

0000 0000

Fault and Info Register

0x08

0000 0000

ADC Control Register

0x09

0000 0000

Input Voltage ADC Register

0x0A

0000 0000

LED Voltage ADC Register

0x0B

0000 0000

18

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