CMX981 Consumer Microcircuits Limited, CMX981 Datasheet - Page 6

• Manufacturer Part Number: CMX981
• Description: Advanceddigital Radio Baseband Processor (tetra Etc.)
• Manufacturer: Consumer Microcircuits Limited

Advanced Digital Radio Baseband Processor
 2002 CML Microsystems Plc
64-pin LQFP
L9 Package
Pin No.
13
14
17
16
29
55
53
56
52
62
58
60
64
63
28
10
20
19
15
27
2
1
9
8
6
5
4
AUXDAC1
AUXDAC2
AUXDAC3
AUXDAC4
AUXADC1
AUXADC2
AUXADC3
AUXADC4
AUXADC5
AUXADC6
N_RESET
VDDRX
VDDTX
MIC1P
MIC1N
MIC2P
MIC2N
QRXP
QRXN
AUDN
BIAS1
BIAS2
Name
AUDP
IRXN
IRXP
EAR
~
Signal
Power
Power
Type
O/P
O/P
O/P
O/P
O/P
O/P
O/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
I/P
BI
BI
6
Receive "I" channel, positive input
Receive "I" channel, negative input
Receive "Q" channel, positive input
Receive "Q" channel, negative input
Chip reset
Microphone 1, positive input
Microphone 1, negative input
Microphone 2, positive input
Microphone 2, negative input
Voice codec earpiece, positive output
Voice codec speaker driver, positive output
Voice codec speaker driver, negative output
Auxiliary DAC channel 1
Auxiliary DAC channel 2
Auxiliary DAC channel 3
Auxiliary DAC channel 4
For manufacturers use only. Connect this pin to
V
Auxiliary ADC channel 1
Auxiliary ADC channel 2
Auxiliary ADC channel 3
Auxiliary ADC channel 4
Auxiliary ADC channel 5
Auxiliary ADC channel 6
Analogue bias level. This pin should be decoupled
to V
DAC reference level. This pin should normally be
connected to V
Rx analogue positive supply rail. This pin should be
decoupled to V
Tx analogue positive supply rail. This pin should be
decoupled to V
SSD
SSTX
SSTX
SSRX
SSTX
Description
CMX981
D/981/1