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PCF85263ATL/A 数据表(PDF) 66 Page - NXP Semiconductors |
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PCF85263ATL/A 数据表(HTML) 66 Page - NXP Semiconductors |
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66 / 100 page  PCF85263A All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4.1 — 27 November 2015 66 of 100 NXP Semiconductors PCF85263A Tiny RTC with alarm, battery switch-over, and I2C-bus The master must indicate that the last byte has been read by generating a not-acknowledge after the last read byte. 10.3 Slave addressing 10.3.1 Slave address One I2C-bus slave address (1010 001) is reserved for the PCF85263A. The entire I2C-bus slave address byte is shown in Table 65. After a START condition, the I2C slave address has to be sent to the PCF85263A device. Slave address can also be written in a hexadecimal format: • A2h - Write slave address • A3h - Read slave address Table 65. I2C slave address byte Slave address Bit 7 6 5 4 3 2 1 0 MSB LSB 10 10 00 1R/W |
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