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ISL29043IROMZ-T7 Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL29043IROMZ-T7 Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 16 page ISL29043 7 FN7935.0 February 9, 2012 Register Descriptions TABLE 2. REGISTER 0x00 (RESERVED) BIT # ACCESS DEFAULT NAME FUNCTION/OPERATION 7:0 RO (n/a) (n/a) Reserved - no need to read or write TABLE 3. REGISTER 0x01 (CONFIGURE) - PROX/ALS CONFIGURATION BIT # ACCESS DEFAULT NAME FUNCTION/OPERATION 7RW 0x00 PROX_EN (Prox Enable) When = 0, proximity sensing is disabled When = 1, continuous proximity sensing is enabled. Prox data will be ready 0.54ms after this bit is set high 6:4 RW 0x00 PROX_SLP (Prox Sleep) For bits 6:4 = (see the following) 111; sleep time between prox IR LED pulses is 0.0ms (run continuously) 110; sleep time between prox IR LED pulses is 12.5ms 101; sleep time between prox IR LED pulses is 50ms 100; sleep time between prox IR LED pulses is 75ms 011; sleep time between prox IR LED pulses is 100ms 010; sleep time between prox IR LED pulses is 200ms 001; sleep time between prox IR LED pulses is 400ms 000; sleep time between prox IR LED pulses is 800ms 3RW 0x00 PROX_DR (Prox Drive) When = 0, IRDR behaves as a pulsed 110mA current sink When = 1, IRDR behaves as a pulsed 220mA current sink 2RW 0x00 ALS_EN (ALS Enable) When = 0, ALS/IR sensing is disabled When = 1, continuous ALS/IR sensing is enabled with new data ready every 100ms 1RW 0x00 ALS_RANGE (ALS Range) When = 0, ALS is in low-lux range When = 1, ALS is in high-lux range 0RW 0x00 ALSIR_MODE (ALSIR Mode) When = 0, ALS/IR data register contains visible ALS sensing data When = 1, ALS/IR data register contains IR spectrum sensing data TABLE 4. REGISTER 0x02 (INTERRUPT) - PROX/ALS INTERRUPT CONTROL BIT # ACCESS DEFAULT BIT NAME FUNCTION/OPERATION 7FLAG 0x00 PROX_FLAG (Prox Flag) When = 0, no Prox interrupt event has occurred since power-on or last “clear” When = 1, a Prox interrupt event occurred. Clearable by writing “0” 6:5 RW 0x00 PROX_PRST (Prox Persist) For bits 6:5 = (see the following) 00; set PROX_FLAG if 1 conversion result trips the threshold value 01; set PROX_FLAG if 4 conversion results trip the threshold value 10; set PROX_FLAG if 8 conversion results trip the threshold value 11; set PROX_FLAG if 16 conversion results trip the threshold value 4RW 0x00 Unused (Write 0) Unused register bit - write 0 3FLAG 0x00 ALS_FLAG (ALS FLAG) When = 0, no ALS interrupt event has occurred since power-on or last “clear” When = 1, an ALS interrupt event occurred. Clearable by writing “0” 2:1 RW 0x00 ALS_PRST (ALS Persist) For bits 2:1 = (see the following) 00; set ALS_FLAG if 1 conversion is outside the set window 01; set ALS_FLAG if 4 conversions are outside the set window 10; set ALS_FLAG if 8 conversions are outside the set window 11; set ALS_FLAG if 16 conversions are outside the set window 0RW 0x00 INT_CTRL (Interrupt Control) When = 0, set INT pin low if PROX_FLAG or ALS_FLAG high (logical OR) When = 1, set INT pin low if PROX_FLAG and ALS_FLAG high (logical AND) TABLE 5. REGISTER 0x03 (PROX_LT) - INTERRUPT LOW THRESHOLD FOR PROXIMITY SENSOR BIT # ACCESS DEFAULT BIT NAME FUNCTION/OPERATION 7:0 RW 0x00 PROX_LT (Prox Threshold) 8-bit interrupt low threshold for proximity sensing |
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