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ISL29003IROZ Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL29003IROZ Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 15 page 5 FN7464.2 December 12, 2006 Register Set There are eight registers that are available in the ISL29003. Table 1 summarizes the available registers and their functions. TABLE 1. REGISTER SET ADDR (HEX) REGISTER NAME Bit(s) FUNCTION NAME FUNCTIONS/ DESCRIPTION 00 Command 7 enable 0: disable adc-core 1: enable adc-core 6 adcPD 0: Normal operation 1: Power Down Mode 5 Timing_Mode 0: Integration is internally timed 1: Integration is externally sync/controlled by I2C host 4 reserved 3:2 mode<1:0> Selects ADC work mode 0: Diode1’s current to unsigned 16-bit data 1: Diode2’s current to unsigned 16-bit data 2: Difference between diodes (I1 - I2) to signed 15-bit data 3: reserved 1:0 width<1:0> number of clock cycles; n-bit resolution 0: 216 cycles 1: 212 cycles 2: 28 cycles 3: 24 cycles 01 Control 7 ext_mode Always set to logic 0. Factory use only. 6 test_mode Always set to logic 0 5 int_flag 0: Interrupt is cleared or not yet triggered 1: Interrupt is triggered 4 reserved Always set to logic 0. Factory use only. 3:2 gain<1:0> Selects the gain so range is 0: 0 - 1000Lux 1: 0 - 4000Lux 2: 0 - 16000Lux 3: 0 - 64000Lux 1:0 int_persist <1:0> Interrupt is triggered after 0: 1 integration cycle 1: 4 integration cycles 2: 8 integration cycles 3: 16 integration cycles 02 Interrupt threshold HI 7:0 Interrupt threshold HI High byte of HI interrupt threshold. Default is 0xFF 03 Interrupt threshold LO 7:0 Interrupt threshold LO High byte of the LO interrupt threshold. Default is 0x00 04 LSB_sensor 7:0 LSB_sensor Read-Only data register that contains the least significant byte of the latest sensor reading 05 MSB_sensor 7:0 MSB_sensor Read-Only data register that contains the most significant byte of the latest sensor reading 06 LSB_timer 7:0 LSB_timer Read-Only data register that contains the least significant byte of the timer counter value corresponding to the latest sensor reading. 07 MSB_timer 7:0 MSB_timer Read-Only data register that contains the most significant byte of the timer counter value corresponding to the latest sensor reading. ISL29003 |
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