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Rainbow Electronics MAX1329 User Manual

Page 36

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MAX1329/MAX1330

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,
Reference, Voltage Monitors, and Temp Sensor

36

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1

M3

M2

M1

M0

G1

G0

BIP

X

X

X

SCLK

DIN

X

DOUT

D

11

D

10

D

0

X

X

X

X

X

X

X

X

X

X

D

9

D

8

D

7

D

6

D

5

D

4

D

3

D

2

D

1

X

1

2

3

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

4

5

X

X

X

D

11

TRACK

CONVERT

TRACK

CONVERT

ADC MODE

ADCDONE*

*ADCDONE IS AN INTERNAL SIGNAL. RISING EDGE OF ADCDONE SETS THE ADD BIT IN THE STATUS REGISTER.

X = DON'T CARE.

CS

Figure 18. Write Command to Start ADC Burst Conversions Clocked by SCLK with Real-Time Data Read (ACQCK<1:0> = 00,
GAIN<1:0> = 00)

1

M3

M2

M1

M0

G1

G0

BIP

SCLK

DIN

X

1

2

3

6

7

8

4

5

TRACK

CONVERT

ADC MODE

ADCDONE**

1

2

3

6

7

8

9

10

11

12

13

14

15

16

17

4

5

CLKIO

PD*

*PD IS AN INTERNAL SIGNAL. WHEN PD IS HIGH, THE ADC IS POWERED-DOWN.
**ADCDONE IS AN INTERNAL SIGNAL. RISING EDGE ADCDONE SETS THE ADD BIT IN THE STATUS REGISTER.

X = DON'T CARE.

CS

Figure 19. Write Command to Start ADC Normal or Fast Power-Down, with Autoconvert Disabled (AUTO<2:0> = 000) and
Conversions Clocked by CLKIO (OSCE = 0, ADDIV<1:0> = 00, CLKIO<1:0> = 11)