AN753 datasheet(21/24 Pages) MAXIM

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Low-Cost Precision Sensor

Signal Conditioner

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Table 13. ATIM Definition

ATIM[3:0]

DURATION OF ANALOG SIGNAL SPECIFIED IN BYTE TIMES (8-BIT TIME)

0000

0 + 1 = 2 byte times i.e. (2

✕ 8) / baud rate

0001

1 + 1 = 3 byte times

0010

2 + 1 = 5 byte times

0011

3 + 1 = 9 byte times

0100

4 + 1 = 17 byte times

0101

5 + 1 = 33 byte times

0110

6 + 1 = 65 byte times

0111

7 + 1 = 129 byte times

1000

8 + 1 = 257 byte times

1001

9 + 1 = 513 byte times

1010

10 + 1 = 1025 byte times

1011

11 + 1 = 2049 byte times

1100

12 + 1 = 4097 byte times

1101

13 + 1 = 8193 byte times

1110

14 + 1 = 16,385 byte times

1111

In this mode OUT is continuous, however DIO will accept commands after 32,769 byte times. Do not

parallel connect DIO to OUT.

Table 12. IRSP Decode

IRSP[3:0]

RETURNED VALUE

0000

DHR[7:0]

0001

DHR[15:8]

0010

IEEA[7:4], ICRA[3:0] concatenated

0011

CRIL[3:0], IRSP[3:0] concatenated

0100

ALOC[3:0], ATIM[3:0] concatenated

0101

IEEA[7:0] EEPROM address byte

0110

IEED[7:0] EEPROM data byte

0111

TEMP-Index[7:0]

1000

BitClock[7:0]

1001

Reserved. Internal flash test data.

1010-1111

11001010 (CAhex). This can be used to test communication.

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