AD1939 Analog Devices, AD1939 Datasheet - Page 23

• Manufacturer Part Number: AD1939
• Description: (AD1935 - AD1939) 4 ADC/8 DAC
• Manufacturer: Analog Devices

Preliminary Technical Data
REGISTER DEFINITIONS
Register format
Note 1: The format is the same for I
Note 2: Global address for the AD193X series is 0x04, shifted left 1 bit due to the R/W bit.
Note 3: In I
Note 4: All registers are reset to 0, except for the DAC volume registers which are set to full volume.
Register addresses and functions
Bit
Address
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Global Address
23:17
2
C, ADR0 and ADR1 are ORed into bits 17 and 18 to provide multiple chip addressing.
Function
PLL and Clock Control 0
PLL and Clock Control 1
DAC Control 0
DAC Control 1
DAC Control 2
DAC Individual Channel Mutes
DAC 1L Vol Control
DAC 1R Vol Control
DAC 2L Vol Control
DAC 2R Vol Control
DAC 3L Vol Control
DAC 3R Vol Control
DAC 4L Vol Control
DAC 4R Vol Control
ADC Control 0
ADC Control 1
ADC Control 2
2
C and SPI.
R/W
16
Register Address
15:8
Rev. PrI | Page 23 of 30
Table 16
Table 17
Data
7:0
AD1935/AD1936/AD1937/AD1938/AD1939