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Schaltplan zweier I2C-Multiplexer
I2C Multiplexer U31 TCA9548ARGER U32 TCA9548ARGER SD0 RESET# SD0 RESET# SC0 A1 SC0 A1 SD1 A0 SD1 A0 SC1 VCC SC1 VCC SD2 SDA SD2 SDA SC2 SCL SC2 SCL SD3 A2 SD3 A2 SC3 GND SC3 GND SD7 SCL E3 SD7 SCL E3 SC4 SCL E4 SC4 SCL E4 SD5
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Schaltplan eines I2C-I/O-Expanders TCA9548A
VDPIUM = 1.65 V to 5.5 V, I2C/SMBus Master, SDA, SCL, RESET, VCC, TCA9548A, SD0, SC0, Channel 0, VDPU0, SD1, SC1, Channel 1, VDPU1, SD2, SC2, Channel 2, VDPU2, SD3, SC3, Channel 3, VDPU3, SD4, SC4, Channel 4, VDPU4, SD5, SC5, Channel 5, VDPU5, SD6, SC6, Channel 6, VDPU6
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Tabelle mit I2C-Adressreferenz für TCA9548A
Table 1 shows the TCA9548A address reference. Table 1. Address Reference INPUTS A2 A1 A0 I2C BUS SLAVE ADDRESS L L L 112 (decimal), 70 (hexadecimal) L L H 113 (decimal), 71 (hexadecimal) L H L 114 (decimal), 72 (hexadecimal
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Pin-Funktionstabelle eines Datenblatts
Pin Functions NAME TSSOP(PW) QFN(RGE) TYPE DESCRIPTION A0 1 22 I Address input 0. Connect directly to VCC or ground A1 2 23 I Address input 1. Connect directly to VCC or ground A2 21 18 I Address input 2. Connect directly to VCC or ground GND 12 9 Ground RESET 3 24 I Active-low reset input. Connect to VCC or VDPUM(1) through a pull-up resistor, if not used SD0 4 1 I/O Serial data 0. Connect to VDPU0(1) through a pull-up resistor SC0 5 2 I/O Serial clock 0. Connect to VDPU0(1) through a pull-up resistor SD1 6 3 I/O Serial data 1. Connect to VDPU1(1) through a pull-up resistor SC1 7 4 I/O Serial
