TLC59116_1 Datasheet, PDF (25/30 Pages) Texas Instruments – 16-CHANNEL Fm+ I2C-BUS CONSTANT-CURRENT LED SINK DRIVER

TLC59116
www.ti.com .................................................................................................................................................... SLDS157B – FEBRUARY 2008 – REVISED JULY 2008
Slave Address
Control Register
New LED All Call I²C Address
(see Note B)
Sequence A
S A6 A5 A4 A3 A2 A1 A0 0 A X X X 1 1 0 1 1 A 1 1 0 1 1 0 1 X A P
Start Condition
R/W
ACK From Slave
ACK From Slave Stop Condition
ALLCALLADR Register Selection
Auto-Increment Options
Auto-Increment Flag
ACK From Slave
LED All Call I²C Address
Control Register
The 16 LEDs are on at ACK (see Note C)
LEDOUT0 Register (LED3 to 0 Fully On)
Sequence B
S1 1 0 1 1 0 1 0 A XX X 1 0 1 0 0 A0 1 0 1 0 1 0 1 AP
Start Condition
R/W
ACK From the
Four Slaves
ACK From the Stop Condition
Four Slaves
LEDOUT0 Register Selection
ACK From Slave
A. In this example, several TLC59116 devices are used, and the same Sequence A is sent to each of them.
B. The ALLCALL bit in the MODE1 register is equal to 1 for this example.
C. The OCH bit in the MODE2 register is equal to 1 for this example.
Figure 19. LED All Call I²C Bus Address Programming and LED All Call Sequence
Copyright © 2008, Texas Instruments Incorporated
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