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AT42QT1111-MU Datasheet(PDF) 26 Page - ATMEL Corporation |
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AT42QT1111-MU Datasheet(HTML) 26 Page - ATMEL Corporation |
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26 / 50 page  26 9571A–AT42–02/10 AT42QT1111-MU/AT42QT1111-AU 6.7 Error Keys (0xC5) This command returns a 2-byte bit-field report indicating the error status of all 11 keys. Note that disabled keys do not report errors. KEY_n: 0 = key n status good, 1 = key n in error (where n is 0–10). 6.8 Signal for Key “k” (0x2k) This command returns a 2-byte report containing the most recent measured signal for key “k”. The signal is returned as a 16-bit number, MSB first. 6.9 Reference for Key “k” (0x4k) This command returns a 2-byte report containing the reference signal for key “k”. The reference is returned as a 16-bit number, MSB first. 6.10 Status for Key “k” (0x8k) This command returns a 1-byte report containing the status for key “k”. DETECT: 0ut of detect, 1 = in detect. LBL: 0 = lower burst limit is good, 1 = lower burst limit has error. MBL: 0 = maximum burst limit is good, 1 = maximum burst limit has error. The maximum burst limit is fixed at 2048 pulses. AKS_EN: 0 = AKS is disabled, 1 = AKS is enabled. CAL: 0 = normal, 1 = calibrating. KEY_EN: 0 = key is disabled, 1 = key is enabled. Table 6-5. Send All Keys Report Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0 KEY_10 KEY_9 KEY_8 Byte 1 KEY_7 KEY_6 KEY_5 KEY_4 KEY_3 KEY_2 KEY_1 KEY_0 Table 6-6. Signal for Key “k” Report Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0 Signal MSB Byte 1 Signal LSB Table 6-7. Reference for Key “k” Report Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0 Reference MSB Byte 1 Reference LSB Table 6-8. Reference for Key “k” Report Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0 DETECT LBL MBL AKS_EN CAL KEY_EN |
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