FX829D2 CMLMICRO [CML Microcircuits], FX829D2 Datasheet - Page 9

• Manufacturer Part Number: FX829D2
• Description: Baseband Signal Processor
• Manufacturer: CMLMICRO [CML Microcircuits]

Baseband Signal Processor
1.5.1
8-bit Write Only Registers
16-bit Write Only Registers
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 as listed
below:
COMMAND
COMMAND
ADDRESS/
ADDRESS/
1997 Consumer Microcircuits Limited
HEX
HEX
$01
$10
$11
$13
$40
$43
$12
$44
Software Description
Address/Commands
Instructions and data are transferred, via "C-BUS", in accordance with the timing information given in
Figure 11.
Instruction and data transactions to and from the FX829 consist of an Address/Command (A/C) byte
followed by either:
RESET
CONTROL 1
CONTROL 2
AUDIO
ATTENUATION
CONTROL 3/
IRQ ENABLE
TXDATA
MOD LEVELS
REGISTER
REGISTER
WORD (1)
RX SYNC
NAME
NAME
(1)
(2)
(2)
(i)
(ii)
CHKSUM
BIT 15
AMP1
BIT 7
BIT 7
BIT 7
BIT 7
(D7)
(D7)
N/A
0
0
0
0
<------------------------------------------- RX SYNC WORD ----------------------------------------->
<------------------------------------------- RX SYNC WORD ----------------------------------------->
<----------------------------------------------- TXDATA ----------------------------------------------->
a further instruction or data (1 or 2 bytes) or
a status or Rx data reply (1 byte)
1200/2400
DTMFEN
BIT 14
AMP2
BIT 6
BIT 6
BIT 6
BIT 6
(D6)
(D6)
N/A
0
0
0
TXIDLEM RXDATAM TXDATAM
ENABLE
DTMFHI
AUDIO
MOD 1
BIT 13
BIT 5
BIT 5
BIT 5
BIT 5
(D5)
(D5)
N/A
0
0
9
DTMFLO
FFSKRX
BIT 12
BIT 4
BIT 4
BIT 4
BIT 4
BIT 4
BIT 4
BIT 4
(D4)
(D4)
<-------------------------- MOD 1 -------------------------->
<-------------------------- MOD 2 -------------------------->
<-------------------------- GAIN -------------------------->
N/A
FFSKTX
DTMF3
BIT 11
BIT 3
BIT 3
BIT 3
BIT 3
BIT 3
BIT 3
BIT 3
(D3)
(D3)
N/A
RX SYNC
DTMF2
WORD
PRIME
BIT 10
BIT 2
BIT 2
UK/F
BIT 2
BIT 2
BIT 2
BIT 2
BIT 2
(D2)
(D2)
N/A
DTMF1
PRIME
SYNT
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 1
BIT 9
BIT 1
(D1)
(D1)
MIC
N/A
DTMF0
PRIME
SYNC
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
BIT 0
BIT 8
BIT 0
(D0)
(D0)
B/W
N/A
D/829/4
FX829