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HI
TPS40400地址描述见datasheet第10页：
The TPS40400 has 64 possible addresses (0 through 63 in decimal) that can be assigned by connecting resistors from the ADDR0 and ADDR1 pins to SGND. The address is set in the form of two octal (0-7) digits, one digit for each pin. ADDR1 is the high-order digit and ADDR0 is the low-order digit.
