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ManualsBrandsTEXAS INSTRUMENTS ManualsData collecting ICsData acquisition IC - DA converter (DAC) TSSOP 16
31323334353637383940
DAC7568
DAC8168
DAC8568
SBAS430D –JANUARY 2009–REVISED MAY 2012
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Table 11. Control Matrix for the DAC7568, DAC8168, and DAC8568
DB30- DB16-
DB31 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 DESCRIPTION
Don't D13-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D16 D15 D14 D7 D6 D5 D4 D3 D2 D1 F3 F2 F1 F0 GENERAL DATA FORMAT FOR 16-BIT DAC8568
Don't D11-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D14 D13 D12 D5 D4 D3 D2 D1 X X F3 F2 F1 F0 GENERAL DATA FORMAT FOR 14-BIT DAC8168
Don't
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D12 D11 D10 D9-D3 D2 D1 X X X X F3 F2 F1 F0 GENERAL DATA FORMAT FOR 12-BIT DAC7568
Reserved Bit - Not valid; device does not perform
1 X X X X X X X X X X X X X X X X X X X X X X X
to specified conditions
Write to Selected DAC Input Register
0 X 0 0 0 0 0 0 0 0 Data X X X X Write to input register - DAC Channel A
0 X 0 0 0 0 0 0 0 1 Data X X X X Write to input register - DAC Channel B
0 X 0 0 0 0 0 0 1 0 Data X X X X Write to input register - DAC Channel C
0 X 0 0 0 0 0 0 1 1 Data X X X X Write to input register - DAC Channel D
0 X 0 0 0 0 0 1 0 0 Data X X X X Write to input register - DAC Channel E
0 X 0 0 0 0 0 1 0 1 Data X X X X Write to input register - DAC Channel F
0 X 0 0 0 0 0 1 1 0 Data X X X X Write to input register - DAC Channel G
0 X 0 0 0 0 0 1 1 1 Data X X X X Write to input register - DAC Channel H
0 X 0 0 0 0 1 X X X X X X X X Invalid code - No DAC channel is updated
0 X 0 0 0 0 1 1 1 1 Data X X X X Broadcast mode - Write to all DAC channels
Update Selected DAC Registers
0 X 0 0 0 1 0 0 0 0 Data X X X X Update DAC register - DAC Channel A
0 X 0 0 0 1 0 0 0 1 Data X X X X Update DAC register - DAC Channel B
0 X 0 0 0 1 0 0 1 0 Data X X X X Update DAC register - DAC Channel C
0 X 0 0 0 1 0 0 1 1 Data X X X X Update DAC register - DAC Channel D
0 X 0 0 0 1 0 1 0 0 Data X X X X Update DAC register - DAC Channel E
0 X 0 0 0 1 0 1 0 1 Data X X X X Update DAC register - DAC Channel F
0 X 0 0 0 1 0 1 1 0 Data X X X X Update DAC register - DAC Channel G
0 X 0 0 0 1 0 1 1 1 Data X X X X Update DAC register - DAC Channel H
0 X 0 0 0 1 1 X X X X X X X X Invalid code - No DAC channel is updated
0 X 0 0 0 1 1 1 1 1 Data X X X X Broadcast mode - Update all DAC registers
Write to Clear Code Register
0 X 0 1 0 1 X X X X X X X X X X X X X X X X 0 0 Write to clear code register; clear to zero scale
0 X 0 1 0 1 X X X X X X X X X X X X X X X X 0 1 Write to clear code register; clear to midscale
0 X 0 1 0 1 X X X X X X X X X X X X X X X X 1 0 Write to clear code register; clear to full-scale
0 X 0 1 0 1 X X X X X X X X X X X X X X X X 1 1 Write to clear code register; ignore CLR pin
Write to LDAC Register
Write to LDAC register. Default setting of these bits
DAC DAC DAC DAC DAC DAC DAC DAC
0 X 0 1 1 0 X X X X X X X X X X is '0'. If bit is set to '1', the LDAC pin is overridden.
H G F E D C B A
See the LDAC Functionality section for details.
Software Reset
0 X 0 1 1 1 X X X X X X X X X X X X X X X X X X Software reset (power-on reset)
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