AK9813B Datasheet, PDF (6/24 Pages) Asahi Kasei Microsystems – 12ch 8bit D/A Converter with EEPROM

ASAHI KASEI
[AK9813B]
② Shift register configuration: SEL=Low (LD I/F)
LSB
Last
MSB
First
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 WR CL
DIGITAL INPUT DATA
FOR D/A CONVERTER
SELECTION FOR
D/A CONVERTER
EEPROM
CONTROL
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 x 1
0 1 0 0 0 0 0 0 ≒ VDD/255 x 2
0 1 1 1 1 1 1 1 ≒ VDD/255 x 254
1 1 1 1 1 1 1 1 ≒ VDD
EA1 EA0 EEPROM ADDRESS
00
01
10
11
ADDRESS: 0
ADDRESS: 1
ADDRESS: 2
ADDRESS: 3
NOTE)
EEPROM ADDRESS is selected by
the EA0 and EA1 pins.
D/A CONVERTER CHANNEL SELECTION
D8 D9 D10 D11 D/A CHANNEL
0000
Don't Care
0001
AO1
0010
AO2
0011
AO3
0100
AO4
0101
AO5
0110
AO6
0111
AO7
D8 D9 D10 D11 D/A CHANNEL
1 0 0 0 AO8
1 0 0 1 AO9
1 0 1 0 AO10
1 0 1 1 AO11
1 1 0 0 AO12
1 1 0 1 Can't use
1 1 1 0 Can't use
1 1 1 1 Don't Care
(NOTE) Above "Don't Care" state is valid only when AK9813B is in DAC mode or WRITE mode.
Refer to the following section "Instruction Set" about mode.
DAD04E-01
-6-
2002/11