MAX1452 Datasheet, PDF (19/24 Pages) Maxim Integrated Products – Low-Cost Precision Sensor Signal Conditioner

Low-Cost Precision Sensor
Signal Conditioner
Table 8. Control Location (CL[15:0])
FIELD
15:8
7:0
NAME
CL[15:8]
CL[7:0]
DESCRIPTION
Reserved
Control Location. Secure-Lock is activated by setting this to FFhex which disables DIO serial
communications and connects OUT to PGA output.
Table 9. IRSA Decoding
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
0110
0111
Reserved
Write IRSD[3:0] to ICRA[3:0] or IEEA[3:0], (internal calibration register address or internal EEPROM address
nibble 0)
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
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