AK9813A Datasheet, PDF (6/24 Pages) Asahi Kasei Microsystems – 12ch 8bit D/A Converter with EEPROM

ASAHI KASEI
{² Shift register configuration:SEL=Low(LD I/F)
[AK9813A]
OUTPUT VOLTAGE FOR D/A CONVERTER
D0 D1 D2 D3 D4 D5 D6 D7 OUTPUT VOLTAGE FOR D/A
0
0
0
0
0
0
0
0
=•
•
GND=VSS
1
0
0
0
0
0
0
0
=•
•
VDD/255
Õ
1
0
1
0
0
0
0
0
0
•=
•
VDD/255
Õ
2
0
1
1
1
1
1
1
1
=•
•
VDD/255
Õ
254
1
1
1
1
1
1
1
1
•= VDD
•
EA1 EA0 EEPROM ADDRESS
0 0 ADDRESS : 0
0 1 ADDRESS : 1
1 0 ADDRESS : 2
1 1 ADDRESS : 3
NOTE)
EEPROM ADDRESS is selected
by the EA0 and EA1 pins.
D/A CONVERTER CHANNEL SELECTION
D8 D9 D10 D11
0000
0001
0010
0011
0100
0101
0110
0111
D/A CHANNEL
Don't Care
AO1
AO2
AO3
AO4
AO5
AO6
AO7
D8 D9 D10 D11
1000
1001
1010
1011
1100
1101
1110
1111
D/A CHANNEL
AO8
AO9
AO10
AO11
AO12
CAN'T USE
CAN'T USE
Don't Care
(NOTE) Above "Don't care" state is valid only when AK9813A is in DAC mode or WRITE mode.
Refer to the following section "Instruction Set" about mode.
DAD03E-00
-6-
1999/05