Datasheet

MAX1407/MAX1408/MAX1409/MAX1414

Low-Power, 16-Bit Multichannel DAS with

Internal Reference,10-Bit DACs, and RTC

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Figure 14. Serial Interface 8-Bit Read Timing Diagram

SCLK

DIN

DOUT

1 1 A4 A3 A2 A1 A0 x

D7 D6 D5 D4 D3 D2 D1 D0

TARGET REGISTER R/W ACCESS ADD4:ADD0

ADC Register R/W 00000

MUX Register R/W 00001

Data Register R 00010

Offset Register R/W 00011

DAC1 Register R/W 00100

DAC2 Register R/W 00101

Status Register R 00110

Al_Burst Register R/W 01000

Al_Sec Register R/W 01001

Al_Min Register R/W 01010

Al_Hour Register R/W 01011

Al_Day Register R/W 01100

Al_Status Register R 01101

Al ar m /Cl ock_C trl Reg i ster R/W 01110

RTC_Burst Register R/W 01111

TARGET REGISTER R/W ACCESS ADD4:ADD0

RTC_Sec Register R/W 10000

RTC_Min Register R/W 10001

RTC_Hour Register R/W 10010

RTC_Date Register R/W 10011

RTC_Month Register R/W 10100

RTC_Day Register R/W 10101

RTC_Year Register R/W 10110

RTC_Century Register R/W 10111

Power1 Register R/W 11000

Power2 Register R/W 11001

Sleep Register W 11010

Standby Register W 11011

Idle Register W 11100

Run Register W 11101

Table 2. Register Summary and Addressing

Table 3. Command Byte Format

COMMAND BIT 7 (MSB) BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 (LSB)

Write 1 0 ADD4:ADD0 (see Table 2) X

Read 1 1 ADD4:ADD0 (see Table 2) X