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FX818 Datasheet(PDF) 8 Page - CML Microcircuits

Part # FX818
Description  CTCSS SIGNALLING PROCESSOR
PDF  26 Pages
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Manufacturer  CMLMICRO [CML Microcircuits]
Direct Link  http://www.cmlmicro.com
Logo CMLMICRO - CML Microcircuits

FX818 Datasheet(HTML) 8 Page - CML Microcircuits

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CTCSS Signalling Processor
FX818
© 1997 Consumer Microcircuits Limited
8
D/818/4
16-bit Write Only Registers
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)
CTCSS TX/
CTCSS TX / FAST RX FREQUENCY
$83
FAST RX
CTCSS (TX)
MSB
FREQUENCY (1)
NOTONE
0
0
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
CTCSS TX/
CTCSS TX / FAST RX FREQUENCY
FAST RX
LSB
FREQUENCY (2)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
CTCSS RX
CTCSS TONE ADDRESS
CTCSS FREQUENCY
$84
PROGRAM
MSB
LSB
MSB
(1)
BIT 3
BIT 2
BIT 1
BIT 0
BIT 11
BIT 10
BIT 9
BIT 8
CTCSS RX
CTCSS FREQUENCY
PROGRAM
LSB
(2)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
$8A
AUDIO
MOD 1
CONTROL
MOD 1
MSB
LSB
(1)
0
0
ENABLE
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
AUDIO
MOD 2
CONTROL
MOD 2
MSB
LSB
(2)
0
0
ENABLE
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Write Only Register Description
GENERAL RESET (Hex address $01)
The reset command has no data attached to it. It sets the device registers into the specific (all powersaved)
states as listed below:
REGISTER NAME
HEX
ADDRESS
BIT 7
(D7)
BIT 6
(D6)
BIT 5
(D5)
BIT 4
(D4)
BIT 3
(D3)
BIT 2
(D2)
BIT 1
(D1)
BIT 0
D0)
SUB-AUDIO CONTROL
$80
0
0
0
0
0
0
0
0
SUB-AUDIO STATUS
$81
0
0
0
0
X
X
X
X
SUB-AUDIO SET-UP
$82
0
0
0
0
0
0
0
0
CTCSS TX / FAST RX
FREQUENCY
(1)
$83
0
0
0
0
0
0
0
0
CTCSS TX / FAST RX
FREQUENCY
(2)
0
0
0
0
0
0
0
0
CTCSS RX PROGRAM
(1)
$84
0
0
0
0
0
0
0
0
CTCSS RX PROGRAM
(2)
0
0
0
0
0
0
0
0
GENERAL CONTROL
$88
0
0
0
0
0
0
0
0
AUDIO CONTROL
(1)
$8A
0
0
0
0
0
0
0
0
AUDIO CONTROL
(2)
0
0
0
0
0
0
0
0
GENERAL PURPOSE TIMER
$8B
0
0
0
0
0
0
0
0
IRQ MASK
$8E
0
0
0
0
0
0
0
0
IRQ FLAG
$8F
0
0
0
0
0
0
0
0
X = undefined



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