TLC59208F Datasheet, PDF (18/37 Pages) Texas Instruments – 8-BIT FM+ I2C BUS LED DRIVER

TLC59208F
SCLS715A – MARCH 2009 – REVISED NOVEMBER 2015
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9.5.6 LED All Call I²C Bus Address
• Default power-up value (ALLCALLADR address register): 90h or 1001 000
• Programmable through I²C bus (volatile programming)
• At power-up, LED All Call I²C bus address is enabled. TLC59208F sends an ACK when 90h (R/W = 0) or 91h
(R/W = 1) is sent by the master.
NOTE
The default LED All Call I²C bus address (90h or 1001 000) must not be used as a regular
I²C bus slave address since this address is enabled at power-up. All the TLC59208Fs on
the I²C bus will acknowledge the address if sent by the I²C bus master.
9.5.7 LED Sub Call I²C Bus Address
• Three different I²C bus addresses can be used
• Default power-up values:
– SUBADR1 register: 92h or 1001 001
– SUBADR2 register: 94h or 1001 010
– SUBADR3 register: 98h or 1001 100
• Programmable through I²C bus (volatile programming)
• At power-up, Sub Call I²C bus address is disabled. TLC59208F does not send an ACK when 92h (R/W = 0)
or 93h (R/W = 1) or 94h (R/W = 0) or 95h (R/W = 1) or 98h (R/W = 0) or 99h (R/W = 1) is sent by the master.
NOTE
The default LED Sub Call I²C bus address may be used as a regular I²C bus slave
address as long as the SUBADRx bits are disabled.
9.5.8 Software Reset I²C Bus Address
The address shown in Figure 18 is used when a reset of the TLC59208F needs to be performed by the master.
The software reset address (SWRST Call) must be used with R/W = 0. If R/W = 1, the TLC59208F does not
acknowledge the SWRST. See Software Reset for more detail.
R/W
1 00 10 11 0
Figure 18. Software Reset Address
NOTE
The Software Reset I²C bus address is a reserved address and cannot be use as a
regular I²C bus slave address or as an LED All Call or LED Sub Call address.
9.5.9 Control Register
Following the successful acknowledgement of the slave address, LED All Call address or LED Sub Call address,
the bus master will send a byte to the TLC59208F, which will be stored in the Control register. The lowest 5 bits
are used as a pointer to determine which register will be accessed (D[4:0]). The highest 3 bits are used as Auto-
Increment flag and Auto-Increment options (AI[2:0]).
18
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