AIS Baseband IC with/without RF Synthesiser
CMX7032/CMX7042
7.12 C-BUS Register Summary
Table 11 C-BUS Registers
ADDR.
(hex)
Word Size
REGISTER
(bits)
$01
W
C-BUS RESET
0
$A7
$A8
$A9
$AA
$AB
$AC
$AD
$AE
$AF
W
W
R
Data Write1
Data Write 2
Data Read 1
Data Read 2
System Clk 1 PLL Data
System Clk 1 Ref
System Clk 2 PLL Data
System Clk 2 Ref
Reserved
16
16
16
16
16
16
16
16
R
W
W
W
W
$B0
$B1
$B2
$B3
$B4
$B5
$B6
$B7
$B8
$B9
$BA
$BB
$BC
$BD
$BE
$BF
Reserved
W
W
W
R
W
W
W
R
Input/Output Gain and Routing
RF PLL Data
RF PLL Control
RF PLL Status
Rx Raw Data Word Counter
Data Write 3
Data Write 4
Data Read 3
Data Read 4
RSSI1
16
16
16
8
16
16
16
16
16
16
16
R
R
R
RSSI2
Reserved
Reserved
Reserved
Reserved
$C0
$C1
$C2
$C3
$C4
$C5
$C6
$C7
$C8
$C9
$CA
$CB
$CC
$CD
$CE
$CF
W
W
W
Power Down
Mode
CS Threshold
Reserved
Reserved
Status 2
16
16
16
R
R
16
16
Status
Reserved
Command
ADC Data
Reserved
Reserved
Reserved
Reserved
Interrupt Mask
Reserved
W
R
16
16
W
16
All other C-BUS addresses (including those not listed above) are either reserved for future use or allocated
for production testing and must not be accessed in normal operation.
2012 CML Microsystems Plc
49
D/7032/42_FI1.2/13