AK9813B Datasheet, PDF (8/24 Pages) Asahi Kasei Microsystems – 12ch 8bit D/A Converter with EEPROM

ASAHI KASEI
[AK9813B]
Functional Description
①Timing Diagram for CS I/F (SEL="H")
1. DAC mode: The internal EEPROM is not used.
DI
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 WR CL A0 A1
CLK
CS/LD
DO
AO1 - 12
2. WRITE ENABLE/DISABLE mode: The programming state of the internal EEPROM is set.
DI
CLK
"1111"=WRITE DISABLE
D8 D9 D10 D11 WR CL A0 A1
"0000"=WRITE ENABLE
CS/LD
DO
3. CALL mode: The output of the D/A is set by the data in the internal EEPROM.
DI
CLK
CS/LD
DO
AO1 - 12
D8 D9 D10 D11 WR CL A0 A1
Output of selected channel changes.
DAD04E-01
-8-
2002/11