參數(shù)資料
型號: FX818
元件分類: Codec
英文描述: CTCSS Super Codec
中文描述: 超級亞音頻編解碼器
文件頁數(shù): 8/26頁
文件大?。?/td> 676K
代理商: FX818
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
$80
$81
$82
$83
BIT 7
(D7)
0
0
0
0
BIT 6
(D6)
0
0
0
0
BIT 5
(D5)
0
0
0
0
BIT 4
(D4)
0
0
0
0
BIT 3
(D3)
0
X
0
0
BIT 2
(D2)
0
X
0
0
BIT 1
(D1)
0
X
0
0
BIT 0
D0)
0
X
0
0
SUB-AUDIO CONTROL
SUB-AUDIO STATUS
SUB-AUDIO SET-UP
CTCSS TX / FAST RX
FREQUENCY
CTCSS TX / FAST RX
FREQUENCY
CTCSS RX PROGRAM
CTCSS RX PROGRAM
GENERAL CONTROL
AUDIO CONTROL
AUDIO CONTROL
GENERAL PURPOSE TIMER
IRQ MASK
IRQ FLAG
(1)
(2)
0
0
0
0
0
0
0
0
(1)
(2)
$84
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
$88
$8A
(1)
(2)
$8B
$8E
$8F
X = undefined
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