Analogue Front End (AFE) for Digital Radio
CMX983
Table 1 Pin and Signal List
Package
Q1
Pin No.
Pin Name
Type
Signal Description
1
VBIAS
AVDD
O/P
PWR
I/P
Internally generated bias voltage of VDDA/2
Analogue power (3.3V)
I channel positive input
I channel negative input
Q channel positive input
Q channel negative input
Analogue power (3.3V)
Positive output for I channel
Negative output for I channel
Positive output for Q channel
Negative output for Q channel
Auxiliary ADC 0 input
2
3
IRXP
4
IRXN
I/P
5
QRXP
I/P
6
QRXN
I/P
7
AVDD
PWR
O/P
O/P
O/P
O/P
I/P
8
ITXP
9
ITXN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
QTXP
QTXN
AUXADC0
AUXADC1
AUXADC2
AUXADC3
AUXADC4
AUXADC5
AVDD
I/P
Auxiliary ADC 1 input
I/P
Auxiliary ADC 2 input
I/P
Auxiliary ADC 3 input
I/P
Auxiliary ADC 4 input
I/P
Auxiliary ADC 5 input
PWR
O/P
O/P
O/P
O/P
PWR
O/P
O/P
O/P
O/P
O/P
PWR
PWR
PWR
PWR
O/P
O/P
Analogue power (3.3V)
Auxiliary DAC 0 output
Auxiliary DAC 1 output
Auxiliary DAC 2 output
Auxiliary DAC 3 output
Analogue power (3.3V)
Auxiliary DAC 4 output
Auxiliary DAC 5 output
Auxiliary DAC 6 output
AUXDAC0
AUXDAC1
AUXDAC2
AUXDAC3
AVDD
AUXDAC4
AUXDAC5
AUXDAC6
AUXDAC7
AUXDAC8
IOVSS
Auxiliary DAC 7 output (Auxiliary ADC 6 input can be selected)
Auxiliary DAC 8 output (Auxiliary ADC 7 input can be selected)
IO driver ground (0V)
IOVDD
IO driver power (3.3V)
DVSS
Digital ground (0V)
DVDD
Core power (1.8V)
RXD
Serial port receive data
RXFS
Serial port receive frame sync
2015 CML Microsystems Plc
10
D/983/6
CMLMICRO [ CML MICROCIRCUITS ]
