CMX649E3 CML Microcircuits, CMX649E3 Datasheet - Page 14

• Manufacturer Part Number: CMX649E3
• Description: ADM Codec
• Manufacturer: CML Microcircuits

VOLUME/SIDE-
CODEC MODE
CONTROL (1)
CONTROL (1)
CONTROL (1)
AUDIO INPUT
CLK SOURCE
CLK DIVIDER
BANDWIDTH
TONE LEVEL
SCRAMBLER
LEVEL CTRL
CONTROL 1
CONTROL 2
INTERRUPT
REGISTER
CONTROL
CONTROL
GENERAL
5.2
ADM Codec
Write Only C-BUS Registers
AAF/AIF
POWER
POWER
CODEC
RESET
NAME
2002 CML Microsystems Plc
(2)
(2)
(2)
C-BUS Description
Address/Commands
Instructions and data are transferred, via C-BUS, in accordance with the timing information given
in Figure 12.
Instruction and data transactions to and from the CMX649 consist of an Address/Command (A/C)
byte followed by either:
ADDRESS/
COMMAN
HEX
$01
$61
$62
$63
$64
$65
$70
$71
$72
$73
$81
D
(i)
(ii)
Bit Clock Pre-Scaler
By-Pass
PLL EN
Anti-Alias Current
PREN
BIT 7
Mic Amp Current
(D7)
EN
T7
X
0
0
a further instruction or data (1 or 2 bytes) or
a status or Rx data reply (1 or 2 bytes)
SCRAMBLER
DCKEN
PRSEL
Select
Rx Bit
BIT 6
(D6)
Anti-Alias Filter
Encode Enable
Clk
T6
X
0
0
Band-Width
Input Level
INVERT
Phase Detect Input
Anti-Image Current
ECKEN
Tx Bit Clock Select
Volume
BIT 5
(D5)
T5
Audio Current
Decoder Bit Clock Divider
X
0
14
Select
BIT 4
(D4)
Filter Pre-Scaler
EN
T4
X
0
Polynomial
DE-SCRAMBLER
Filter By-
By-Pass
PRSEL
Enc DAC Current
Pass
BIT3
Data
(D3)
Volume Current
T3
X
0
0
INVERT
Anti-Image Filter
BIT 2
Decode Enable
(D2)
Data Filter and
T2
Encoder Bit Clock Divider
X
0
0
Slicer Power
Side-Tone
Control
Codec Modes
Filter Divider
Band-Width
Current
Dec DAC Current
BIT 1
(D1)
Xtal
T9
T1
X
0
0
Polynomial
CMX649
D/649/1
ON/OFF
BIT 0
Filter
Data
(D0)
BW
T8
T0
X
0
0
0