AK9813B Datasheet, PDF (13/24 Pages) Asahi Kasei Microsystems – 12ch 8bit D/A Converter with EEPROM

ASAHI KASEI
[AK9813B]
6. READ mode: The data in the internal EEPROM is read from the DO pin.
DI
CLK
CL WR D11 D10 D9 D8 D7 · · D1 D0
··
1
7
··
··
Data for next mode or all "0"
8
9
10 11 12 13 14
EA0, EA1
··
··
CS/LD
··
··
DO
AO1 - 12
··
· · D7 D6 D5 D4 D3 D2 D1 D0
INVALID DATA
(6bit)
VALID DATA (8bit: MSB first)
··
··
Not change
7. ECL function:
When the ECL pin received high pulse, the data in EEPROM is automatically loaded to each
corresponding D/A, and starting from AO1 to AO12 in order. Then each D/A output is settled to
pre-determined value.
EA0, EA1
EEPROM ADDRESS
ECL
AO1 - 12
INVALID
* Analog outputs are set from AO1 to AO12 in order.
DAD04E-01
- 13 -
2002/11