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ATTINY817-MFR. Datasheet(PDF) 167 Page - Microchip Technology |
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ATTINY817-MFR. Datasheet(HTML) 167 Page - Microchip Technology |
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167 / 492 page  Bit 15 14 13 12 11 10 9 8 CMP[15:8] Access R/W R/W R/W R/W R/W R/W R/W R/W Reset 0 0 0 0 0 0 0 0 Bit 7 6 5 4 3 2 1 0 CMP[7:0] Access R/W R/W R/W R/W R/W R/W R/W R/W Reset 0 0 0 0 0 0 0 0 Bits 15:8 – CMP[15:8]: Compare high byte These bits hold the MSB of the 16-bit compare register. Bits 7:0 – CMP[7:0]: Compare low byte These bits hold the LSB of the 16-bit compare register. 20.5.17 Period Buffer Register This register serves as the buffer for the period register (TCA.PER). Accessing this register using the CPU or UPDI will affect the PERBV flag. The TCA.PERBUFL and TCA.PERBUFH register pair represents the 16-bit value, TCA.PERBUF. The low byte [7:0] (suffix L) is accessible at the original offset. The high byte [15:8] (suffix H) can be accessed at offset + 0x01. For more details on reading and writing 16-bit registers, refer to Accessing 16-bit Registers. Name: PERBUF Offset: 0x36 Reset: 0xFFFF Property: - Bit 15 14 13 12 11 10 9 8 PERBUF[15:8] Access R/W R/W R/W R/W R/W R/W R/W R/W Reset 1 1 1 1 1 1 1 1 Bit 7 6 5 4 3 2 1 0 PERBUF[7:0] Access R/W R/W R/W R/W R/W R/W R/W R/W Reset 1 1 1 1 1 1 1 1 Bits 15:8 – PERBUF[15:8]: Period Buffer high byte These bits hold the MSB of the 16-bit period buffer register. Bits 7:0 – PERBUF[7:0]: Period Buffer low byte These bits hold the LSB of the 16-bit period buffer register. 20.5.18 Compare n Buffer Register This register serves as the buffer for the associated compare registers (TCA.CMPn). Accessing any of these registers using the CPU or UPDI will affect the corresponding CMPnBV status bit. ATtiny417/817 © 2017 Microchip Technology Inc. Datasheet Complete DS40001901B-page 167 |
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