CS5550-IS 데이터 시트보기 (PDF) - Cirrus Logic

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CS5550-IS

Two-channel, Low-cost A/D Converter

Cirrus Logic 

CS5550

small to fit in the AIN Output Register.

CRDY

Conversion Ready. Indicates a new conversion is ready.

OD1, OD2

Modulator oscillation detect. Set when the modulator oscillates due to an input above Full

Scale. Note that the level at which the modulator oscillates is significantly higher than the Input

Voltage Range.

FOR1, FOR2 FILT out of range. Set when the calibrated voltage value is too large for the FILT register.

IC

Invalid Command. Normally logic 1. Set to logic 0 if the host interface is strobed with an 8-bit

word that is not recognized as one of the valid commands (see Section 4.1, Commands).

5.8 Control Register

Register Address: 28

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

INTOD

NOCPU

NOOSC

Default** = 0x000000

INTOD

1 = Converts INT output to open drain configuration.

NOCPU

1 = saves power by disabling the CPUCLK external drive pin.

NOOSC

1 = saves power by disabling the crystal oscillator circuit.

DS630F1

23

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