Rainbow-electronics MAX1329 Manual do Utilizador descarregar pdf (Página 36)

MAX1329/MAX1330

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,

Reference, Voltage Monitors, and Temp Sensor

36 ______________________________________________________________________________________

1M3M2M1

G1 G0 BIP

SCLK

DIN

DOUT

XXXXXXXX

X X

123

6 7 8 9 10 11 12 13 14 15 16 17 18

19 20

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.

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 M3M2M1

G1 G0 BIP

SCLK

DIN

123 6 7845

TRACK CONVERT

ADC MODE

ADCDONE**

12 3 6 78 9101112131415161745

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.

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)

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 77 78

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Rainbow-electronics MAX1329 Manual do Utilizador Página 36