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PCA9846BS Datasheet(PDF) 6 Page - NXP Semiconductors |
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PCA9846BS Datasheet(HTML) 6 Page - NXP Semiconductors |
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6 / 32 page  PCA9846 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 1 — 9 November 2015 6 of 32 NXP Semiconductors PCA9846 4-channel ultra-low voltage, Fm+ I2C-bus switch with reset 6.2 Software Reset General Call, and device ID addresses Two other different addresses can be sent to the device. • General Call address: allows to reset the device through the I2C-bus upon reception of the right I2C-bus sequence. See Section 6.2.1 “Software Reset” for more information. • Device ID address: allows to read ID information from the device (manufacturer, part identification, revision). See Section 6.2.2 “Device ID (PCA9846 ID field)” for more information. Table 4. Address selection PCA9846 address pins 8-bit I2C-bus address Slave address/bit pattern master must send A1 A0 A7 A6 A5 A4 A3 A2 A1 A0 - R/W 0 SCL 0xE0h 1110000 0/1 0 0 0xE2h 1110001 0/1 0 SDA 0xE4h 1110010 0/1 0 1 0xE6h 1110011 0/1 1 SCL 0xE8h 1110100 0/1 1 0 0xEAh 1110101 0/1 1 SDA 0xECh 1110110 0/1 1 1 0xEEh 1110111 0/1 SCL SCL 0xB0h 1011000 0/1 SCL 0 0xB2h 1011001 0/1 SCL SDA 0xB4h 1011010 0/1 SCL 1 0xB6h 1011011 0/1 SDA SCL 0xB8h 1011100 0/1 SDA 0 0xBAh 1011101 0/1 SDA SDA 0xBCh 1011110 0/1 SDA 1 0xBEh 1011111 0/1 Fig 5. General Call address Fig 6. Device ID address 0 002aac115 0 0 0 0 0 0 0 R/W R/W 002aac116 1 1 1 1 1 0 0 |
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