RALCWI Vocoder
CMX608/CMX618/CMX638
3.
Signal List
CMX608/
CMX618/
CMX638
L4/Q3
Pin No.
1
Name
AV
DD
Signal
Description
Type
Power
CMX618/CMX638: Analogue Positive Power Supply 3.3V
CMX608: Not used (connect to IOV
DD
)
CMX618/CMX638: Analogue Negative Power Supply 0V
CMX608: Not used (connect to V
SS
)
CMX618/CMX638: Analogue Bias (approximately 1.65 Volts)
CMX608: Not used (leave unconnected)
CMX618/CMX638: Analogue Negative Reference
CMX608: Not used (connect to V
SS
)
CMX618/CMX638: Audio CODEC Positive Input (self biased)
CMX608: Not used (leave unconnected)
CMX618/CMX638: Audio CODEC Negative Input (self biased)
CMX608: Not used (leave unconnected)
CMX618/CMX638: Analogue Positive Power Supply 3.3V
CMX608: Not used (connect to IOV
DD
)
CMX618/CMX638: Analogue Negative Power Supply 0V
CMX608: Not used (connect to V
SS
)
CMX618/CMX638: Output Amplifier Negative Power Supply 0V
CMX608: Not used (connect to V
SS
)
CMX618/CMX638: Audio CODEC – Amplifier Positive Output
CMX608: Not used (leave unconnected)
CMX618/CMX638: Audio CODEC – Amplifier Negative Output
CMX608: Not used (leave unconnected)
CMX618/CMX638: Output Amplifier Positive Power Supply 3.3V
CMX608: Not used (connect to IOV
DD
)
Digital Positive Power Supply 1.8V
Digital I/O Positive Power Supply 3.3V
SSP port serial data input
SSP port serial data output
SSP port serial clock input
SSP port serial strobe input
CODEC PORT
2
AV
SS
Power
Analogue
Output
Power
Analogue
Input
Analogue
Input
Power
3
BIAS
4
V
SS
REF
5
INPUT P
6
INPUT N
7
AV
DD
8
AV
SS
Power
9
V
SS
PA
Power
Analogue
Output
Analogue
Output
Power
Power
Power
Digital Input
Digital
Output
Digital Input
Digital Input
10
OUT P
11
OUT N
12
13
14
15
16
17
18
V
DD
PA
V
DD
IOV
DD
SDI
SDO
SCLK
STRB
2014 CML Microsystems Plc
6
D/608_18_38/11
CMLMICRO [ CML MICROCIRCUITS ]
