Analogue Control Interface
FX839
Write Only Register (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)
$01
$D0
$D2
RESET
CLOCK/IRQ
CONTROL
N/A
0
N/A
0
N/A
N/A
0
N/A
0
N/A
N/A
DIVIDER
BIT 1
N/A
0
BIT 2
MOD1
BIT 2
BIT 0
BIT 0
BIT 0
0
VARIABLE
ATTENUATOR (1)
VARIABLE
MOD1
ENABLE
MOD2
0
0
BIT 4
BIT 4
0
BIT 3
BIT 3
BIT 1
BIT 1
MOD2
BIT 2
ATTENUATOR (2)
0
0
ENABLE
DAC
CONTROL
NBIT
DAC1
NBIT
DAC2
NBIT
DAC3
DAC1
ENABLE
DAC2
ENABLE
DAC3
ENABLE
$D3
$D4
DAC1 DATA
(1)
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
BIT 1
BIT 9
BIT 1
BIT 9
BIT 1
BIT 9
BIT 0
BIT 8
BIT 0
BIT 8
BIT 0
BIT 8
0
*See Note 1
(2)
DAC2 DATA
(1)
$D5
$D6
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
*See Note 1
(2)
DAC3 DATA
(1)
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
*See Note 1
(2)
ADC
CONTROL
ADCIN1
ACTIVE
ADCIN2
ACTIVE
ADCIN3
ACTIVE
ADCIN4
ACTIVE
$D7
$D8
0
1
READN
MAG COMP ONE
LEVELS (1)
MAGNITUDE COMPARATOR UPPER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR LOWER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR UPPER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR LOWER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR UPPER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR LOWER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR UPPER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
MAGNITUDE COMPARATOR LOWER LEVEL
BIT 5 BIT 4 BIT 3 BIT 2
BIT 7
BIT 7
BIT 7
BIT 7
BIT 7
BIT 7
BIT 7
BIT 7
BIT 6
BIT 6
BIT 6
BIT 6
BIT 6
BIT 6
BIT 6
BIT 6
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
MAG COMP ONE
LEVELS (2)
MAG COMP TWO
LEVELS (1)
$D9
$DA
$DB
MAG COMP TWO
LEVELS (2)
MAG COMP THREE
LEVELS (1)
MAG COMP THREE
LEVELS (2)
MAG COMP FOUR
LEVELS (1)
MAG COMP FOUR
LEVELS (2)
Note 1: A second byte is expected by the 'C-BUS' interface only when the 'NBIT DACn' bit of the 'DAC
Control Register' is set high. Otherwise the data transfer is a single byte (Bit 7 to Bit 0).
Consumer Microcircuits Limited
9
1997
D/839/4
CMLMICRO [ CML MICROCIRCUITS ]
