RALCWI Vocoder
CMX608/CMX618/CMX638
CMX608/
CMX618/
CMX638
L4/Q3
Pin No.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
Name
EEC
REC
NC
V
SS
NC
CSEL
IOV
DD
SYNC
V
SS
XTALin
Signal
Description
Type
Digital
Output
Digital
Output
Power
Enable external CODEC, controlled by the C-BUS
Reset external CODEC, controlled by the C-BUS
Reserved for future use. Do not connect to this pin.
Negative Power Supply 0V
CMX608: Reserved for future use. Do not connect to this pin.
Digital Input
Power
Digital
Input/Output
Power
Input
Output
Power
Digital Input
Digital Input
Digital Input
Digital Input
Digital Input
Power
These bits select the crystal/clock frequency,
according to Table 1.
Enable Crystal Oscillator/External Clock Input
Digital I/O Positive Power Supply 3.3V
Reserved for future use. Do not connect to this pin.
Reserved for future use. Do not connect to this pin.
Reserved for future use. Do not connect to this pin.
Reserved for future use. Do not connect to this pin.
Reserved for future use. Do not connect to this pin.
Power
Digital Input
Digital Input
Tri-state
Output
Digital Input
Open Drain
Digital
Output
Negative Power Supply 0V
C-BUS Serial Clock
C-BUS Command Data
C-BUS Reply Data
C-BUS
C-BUS Chip Select (bar)
C-BUS Interrupt Request (bar)
CMX618/CMX638: CODEC Select (Internal if '1', External if '0')
This pin must be connected to either IOV
DD
or V
SS
.
Digital I/O Positive Power Supply 3.3V
Synchronisation Input/Output. By default, this pin is an input
and must be connected by the user to either IOV
DD
or V
SS
.
Negative Power Supply 0V
Crystal Input
Crystal Output
Digital I/O Positive Power Supply 3.3V
General Reset (active low)
XTALout
IOV
DD
RESETN
XTALSEL1
XTALSEL2
XTALSEL3
ENABXTAL
IOV
DD
NC
NC
NC
NC
NC
V
SS
CLK
CDATA
RDATA
CSN
IRQN
2012 CML Microsystems Plc
7
D/608_18_38/10
CMLMICRO [ CML MICROCIRCUITS ]
