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Hytec Electronics Ltd 8424TR/UTM/G/9/2.0

Page 9

5. Application and Control Registers

There are a number of application and control registers as shown in the following table:

Application Register Table

Byte

Addressing

Word

Addressing

Hex Dec Hex Dec

16 Bit Application Registers

0 0 0 0 CSR

2 2 1 1 Conversion pointer Lower 16 bits

4 4 2 2 Conversion pointer upper 2 bits

6 6 3 3 Sample Rate

8 8 4 4 Interrupt Vector

A 10 5 5 Extend Control & Status Register

C 12 6 6 Number of Conversions Lower 16 bits

E 14 7 7 Number of Conversions upper 2 bits

10 16 8 8 ADC Data register Channel 1

12 18 9 9 ADC Data register Channel 2

14 20 A 10 ADC Data register Channel 3

16 22 B 11 ADC Data register Channel 4

18 24 C 12 Not used

1A 26 D 13 Not used

1C 28 E 14 Not used

1E 30 F 15 Not used

20 32 10 16

Digital Potentiometer Data Register This allows

the user to write to Digital Pot

22 34 11 17

Digital Potentiometer Calibration Registers for

500KHz at +/-10V (read only)

24 36 12 18

Digital Potentiometer Calibration Registers for

1MHz at +/-10V (read only)

26 38 13 19

Digital Potentiometer Calibration Registers for

500KHz at +/-5V (read only)

28 40 14 20

Digital Potentiometer Calibration Registers for

1MHz at +/-5V (read only)

2A 42 15 21 TR CSR

2C 44 16 22 Lower Threshold reg Chan 1

2E 46 17 23 Upper Threshold reg Chan 1

30 48 18 24 Lower Threshold Address Low word Chan 1

32 50 19 25 Lower Threshold Address High word Chan 1

34 52 1A 26 Upper Threshold Address Low word Chan 1

36 54 1B 27 Upper Threshold Address High word Chan 1

38 56 1C 28 Peak Hold register Chan 1

3A 58 1D 29 Lower Threshold reg Chan 2

3C 60 1E 30 Upper Threshold reg Chan 2

3E 62 1F 31 Lower Threshold Address Low word Chan 2

40 64 20 32 Lower Threshold Address High word Chan 2

42 66 21 33 Upper Threshold Address Low word Chan 2

44 68 22 34 Upper Threshold Address High word Chan 2

46 70 23 35 Peak Hold register Chan 2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 30 31

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