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A300_PCA9538_NXP.pdf
Ordering information Tamb = −40 °C to +85 °C Type number Topside Package mark Name Description Version PCA9538D PCA9538D SO16 plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 PCA9538PW PCA9538 TSSOP16 plastic thin shrink small outline package; 16 leads; SOT403-1 body width 4.4 mm PCA9538BS
in „I²C-I/O-Expander mit TRI-state Output“ · Mikrocontroller und Digitale Elektronik ·
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Datei
I2C_TWI0_Address_and_Frequency_Scanner.ino
Address Scanning... 7Bit 7Bit 8Bit I2C device found at address 0x26 = B0010.0110 = B0100.110x ... U6: PCA8574D (Portexpander) I2C device found at address 0x48 = B0100.1000 = B1001.000x ... U8: TMP101 I2C device found at address 0x50 = B0101.0000 = B1010.000x ... U9: FM24W256 (256K FRAM) I2C device found
in „NXP PCA8574 hat Phänomen mit 2 Adressen“ · Mikrocontroller und Digitale Elektronik ·
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I2C_Sheet.pdf
VCC VCC VCC VCC VCC VCC zum Controller 6 C50 USER TWI LEDS 1 0u1 R70 R71 R72 R73 PA3 R32 R33 VCC U6 PCA8574 2K7 2K7 4K7 4K7 PA2 0100 A2 A1 A0 LEDS B7-B0 3K3 3K3 c TWI-0 1K R26 LED8 LED7- 12 V 15 A2 A1 A0 1K R25 LED7 LED6- 11 P7 SDA 14 4 2 4 2 SCL_BUS 3 JP11 4 2 JP12 1 J39 TWI-0 0 0 0 0x20 1K R24 LED6
in „NXP PCA8574 hat Phänomen mit 2 Adressen“ · Mikrocontroller und Digitale Elektronik ·
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PDF
AVRnDxBoard.pdf
SCL 2 2 3 3K3 3K3 3K3 3K3 BSS138 BSS138 VDD OUT JP18 R42 R43 4 SDA U3 2 4 2 4 C 1 3K3 3K3 VCC C I2C PCA8574 1 JP12 JP13 V5V/3V3 SEL 2 C17 100n 1 3 1 3 3 1K R24 D13 C 12 P7 V A0 1 1K R23 D12 11 2 1K R22 D11 P6 A1 10 P5 A2 3 VCC VCC VCC 1K R21 D10 9 1K R20 D9 P4 7 P3 ~{INT}3 1K R19 D8 6 R44 R45 1K R18 D7