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TLC59208F Datasheet(PDF) 9 Page - Texas Instruments |
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TLC59208F Datasheet(HTML) 9 Page - Texas Instruments |
9 / 27 page APPLICATION INFORMATION Functional Description Device Address Regular I2C Bus Slave Address Slave Address Programmable A6 A5 A4 A3 A1 A2 A0 R/W TLC59208F www.ti.com .................................................................................................................................................................................................. SCLS715 – MARCH 2009 Following a Start condition, the bus master must output the address of the slave it is accessing. The I2C bus slave address of the TLC59208F is shown in Figure 5. Slave address pins A0, A1, and A2 choose 1 of 64 slave addresses. To conserve power, no internal pullup resistors are incorporated on A0, A1, or A2. Address values, depending on A0, A1, and A2, can be found in Table 1. NOTE: When using the TLC59208F, reserved I2C bus addresses must be used with caution since they can interfere with the following: • "Reserved for future use" I2C bus addresses (0000 011, 1111 101, 1111 110, 1111 111) • Slave devices that use the 10-bit addressing scheme (1111 0xx) • High-speed mode master code (0000 1xx) Figure 5. Slave Address The last bit of the address byte defines the operation to be performed. When set to logic 1, a read operation is selected. When set to logic 0, a write operation is selected. Regular I2C Bus Slave Address Table 1. TLC59208F Address Map ADDRESS INPUT SLAVE ADDRESS A2 A1 A0 A6 A5 A4 A3 A2 A1 A0 ADDRESS GND SCL GND 0 0 1 0 0 0 0 20h GND SCL VCC 0 0 1 0 0 0 1 22h GND SDA GND 0 0 1 0 0 1 0 24h GND SDA VCC 0 0 1 0 0 1 1 26h VCC SCL GND 0 0 1 0 1 0 0 28h VCC SCL VCC 0 0 1 0 1 0 1 2Ah VCC SDA GND 0 0 1 0 1 1 0 2Ch VCC SDA VCC 0 0 1 0 1 1 1 2Eh GND SCL SCL 0 0 1 1 0 0 0 30h GND SCL SDA 0 0 1 1 0 0 1 32h GND SDA SCL 0 0 1 1 0 1 0 34h GND SDA SDA 0 0 1 1 0 1 1 36h VCC SCL SCL 0 0 1 1 1 0 0 38h VCC SCL SDA 0 0 1 1 1 0 1 3Ah VCC SDA SCL 0 0 1 1 1 1 0 3Ch Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): TLC59208F |
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