Analogue Control Interface
FX839
Read Only Registers (8-Bit and 16-Bit)
HEX
ADDRESS/
COMMAND
REGISTER
NAME
BIT 7
(D7)
BIT 6
(D6)
BIT 5
(D5)
BIT 4
(D4)
BIT 3
(D3)
BIT 2
(D2)
BIT 1
(D1)
BIT 0
(D0)
IRQ
$D1
$DC
FLAGS
ADC DATA1
(1)
HIRQF4
BIT 7
0
LIRQF4
BIT 6
0
HIRQF3
BIT 5
0
LIRQF3
BIT 4
0
HIRQF2
BIT 3
0
LIRQF2
BIT 2
0
HIRQF1
BIT 1
BIT 9
BIT 1
BIT 9
BIT 1
BIT 9
BIT 1
BIT 9
LIRQF1
BIT 0
BIT 8
BIT 0
BIT 8
BIT 0
BIT 8
BIT 0
BIT 8
(2)
ADC DATA2
(1)
$DD
$DE
$DF
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
(2)
ADC DATA3
(1)
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
(2)
ADC DATA4
(1)
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
(2)
Write Only Register Description
RESET Register (Hex Address $01)
The reset command has no data attached to it. It sets the device registers into the specific states listed below:
REGISTER NAME
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
(D7)
0
0
(D6)
0
0
(D5)
0
0
(D4)
0
0
(D3)
0
0
(D2)
0
0
(D1)
0
0
(D0)
0
0
CLOCK/IRQ CONTROL
DAC CONTROL
1
DAC1 DATA
0
0
0
0
0
0
0
0
1
DAC2 DATA
0
0
0
0
0
0
0
0
1
DAC3 DATA
0
0
0
0
0
0
0
0
ADC CONTROL
0
0
0
0
0
0
0
0
VARIABLE ATTENUATOR
(1)
(2)
(1)
(2)
(1)
(2)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
MAG COMP ONE LEVELS
MAG COMP TWO LEVELS
MAG COMP THREE LEVELS (1)
(2)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
MAG COMP FOUR LEVELS
(1)
(2)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Note 1: Default resolution is defined as 8-Bits.
Consumer Microcircuits Limited
10
1997
D/839/4
CMLMICRO [ CML MICROCIRCUITS ]
