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SCA3000-D01 データシート(PDF) 19 Page - VTI technologies |
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SCA3000-D01 データシート(HTML) 19 Page - VTI technologies |
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19 / 43 page  SCA3000 Series VTI Technologies Oy 19/ 43 www.vti.fi Doc.Nr. 8257300A.07 Rev.A.07 Address: 15h Register name: BUF_COUNT, output ring buffer status Bits Mode Initial Value Name Description 7:0 R 00h COUNT Count of available data samples in output ring buffer, for more information see section 2.5.2. Address: 16h Register name: INT_STATUS, interrupt status register (all interrupts that are available in current operation mode) Bits Mode Initial Value Name Description 7 R 0 BUF_FULL Output ring buffer is ¾ full 1 – Ring buffer is ¾ full 0 – Ring buffer is not full 6 R 0 BUF_HALF Output ring buffer is ½ full 1 – Ring buffer is ½ full 0 – Ring buffer is not full 5:4 Reserved 3 R 0 FFD Free-fall detection 1 – Free-fall detected (0 g acceleration) 0 – Free-fall not detected 2:0 R 000 MD Motion detector triggered channel indication 1xx – Trigger on Y-axis x1x – Trigger on X-axis xx1 – Trigger on Z-axis 3.4 Configuration Registers SCA3000 configuration register (marked with 'Conf' in Table 5) contents and bit definitions are described in this section. Configuration registers are used to configure SCA3000 operation and the operation parameters. Address: 00h Register name: REVID, ASIC revision ID number tied in metal Bits Mode Initial Value Name Description 7:4 R 2h REVMAJ Major revision number 3:0 R 1h REVMIN Minor revision number Address: 02h Register name: STATUS, status register Bits Mode Initial Value Name Description 7:6 Reserved 5 R 0 LOCK Status of lock register 0 – Lock is closed 1 – Lock is open 4:2 Reserved 1 R 0 CSME EEPROM checksum error 1 – EEPROM checksum error 0 – No error 0 R 0 SPI_FRAME SPI frame error. Bit is reset, when next correct SPI frame is received (only for products with SPI bus). 1 – SPI frame error 0 – No error |
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