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AT42QT2100 Datasheet(PDF) 28 Page - ATMEL Corporation |
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AT42QT2100 Datasheet(HTML) 28 Page - ATMEL Corporation |
28 / 44 page ![]() 28 AT42QT2100 [DATASHEET] 9554E–AT42–01/13 5.5 Device Version 5.5.1 Introduction In a Device Version exchange (Req = 010) the host requests the QT2100 to send the device ID and Firmware version information. 5.5.2 Host Data In Device Version command mode the host sends the 3-byte data in Table 5-13. Byte 0 Req: Set to 010 to indicate Device Version command mode. Byte 1 Always set to 0. Byte 2 Always set to 0. 5.5.3 QT2100 Data During this exchange, the QT2100 returns the data requested on the previous exchange (Normal Data by default), and at the next exchange the requested data is returned. Byte 0 Device ID: the device ID; always 108 (0x6C) Byte 1 Version Major: 4 bits, indicating the major version of the device. Version Minor: 4 bits, indicating the minor version of the device. For example, firmware version 1.0 would be indicated as 0x10. Table 5-13. Device Version Command Mode – Host Command Bytes Host Byte Bit 7 6 5 4 3 2 1 0 0 Req = 010 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 Note: Bits labelled 0 should not be altered Table 5-14. Device Version Command Mode – Return Bytes QT2100 Byte Bit 7 6 5 4 3 2 1 0 0 Device ID = 108 ( 0x6C) 1 Version Major Version Minor 2 Build |
Similar Part No. - AT42QT2100_14 |
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Similar Description - AT42QT2100_14 |
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