Datasheet

Table 9. Control Location (CL[15:0])
FIELD NAME DESCRIPTION
15:8 CL[15:8] Reserved
7:0 CL[7:0]
Control Location. Secure-Lock is activated by setting this to FFhex which disables DIO serial
communications and connects OUT to PGA output.
IRSA[3:0] DESCRIPTION
0000 Write IRSD[3:0] to DHR[3:0] (data hold register)
0001 Write IRSD[3:0] to DHR[7:4] (data hold register)
0010 Write IRSD[3:0] to DHR[11:8] (data hold register)
0011 Write IRSD[3:0] to DHR[15:12] (data hold register)
0100 Reserved
0101 Reserved
0110
Write IRSD[3:0] to ICRA[3:0] or IEEA[3:0], (internal calibration register address or internal EEPROM address
nibble 0)
0111 Write IRSD[3:0] to IEEA[7:4] (internal EEPROM address, nibble 1)
1000 Write IRSD[3:0] to IRSP[3:0] or IEEA[9:8], (interface register set pointer where IRSP[1:0] is IEEA[9:8])
1001 Write IRSD[3:0] to CRIL[3:0] (command register to internal logic)
1010 Write IRSD[3:0] to ATIM[3:0] (analog timeout value on read)
1011 Write IRSD[3:0] to ALOC[3:0] (analog location)
1100 to 1110 Reserved
1111 Write IRSD[3:0] = 1111bin to relearn the baud rate
Table 10. IRSA Decoding
MAX1452 Low-Cost Precision Sensor
Signal Conditioner
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