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IC BLOCK DESCRIPTION
(PIN NAME & FUNCT!ON)
IC430 MSM6388GS
(for OGfvl = Out-Going
Message)
No. ] Siqnal
Name
!
DescrirMion
of Function
1
\ CA1
Cannel Select
2
] CA2
I Cannel Select
7
SAM 1
Sampling Frequency Select
8
SAM 2
Sampllng Frequency Select
9
TEST
For LSI Test fLOW)
10 INC
I Non Conncc[mn
11
I
DAO
Internal 12 Blt DA Converter
12 ] AOUT
I Analoq Voice Output
13
I
FIN
I Internal LPF Irmut
14
AMON
Connect LOUT when Ret, or
Connect
DA Converter
Out-
put when Playback.
Conneci
InOut (FIN) of Internal LPF,
15 I LOUT
I Output of Operational
Amplifi-
er w!:h Input is LIN.
16
LIN
Inverted
Input
of
Internal
I
I Operational Amd[fier.
17
DVOO
\ Power Source for Digi[al
18
AVOO
I Power Source for Analog
19
SG
I Output of Reference
Vollagc
for
Analog
Circuit
(Signal
Ground). For fnternal
20
SGC
Output of Reference
Voltage
I
I for
Anafog
Circuit
(Signal
Ground), For External
21
MOUT
Output of Operational
A.rnpllfl-
1
I er with fncmrtis MIN
22 I MIN
I fnverted
Input
of
Internal
Operational Amplifier.
23
AGND
Ground for Analog
24
DGND
Ground for Diaital
25 I RSEL 1
\ Select Number 0( Seral Ffeg-
iste r
26
RSEL 2
Select Number of Serial Reg-
ister
27
ST-SP
Start of Record or Playback,
or End of Record
or Play-
back.
Or During
Playback,
Repeat Playback when HIGH
Level hold.
28 ' MCUM
Standalone
/ Micro Processor
Ty~e Select
Active
flo
No.
I
29
I
f
f
30
I
I
I
31
I
I
o
0
32
I
o
33
0
34
I
35
0
36
37
38
0
0
39
40
I
41
f
I
42
HfGH
Pulse
I
43
I
44
L--
Signal
Name
TAS
SAS
SAD
Csl
CS2
CS3
CS4
XT
XT (Bar)
WE
DVDO
DIN
DOUT
RWCK
2VCK
MON
Description
of Function
Active
I/o
Transfer Address Strobe.
o
Connect
TAS
Terminal
of
II
Serial Rcglster.
Serial
Address Strobe.
o
Connect
SAS
Terminal
of
Serial Register. Clock Termt-
1
naf for Senaf Address Wrl[ing
I
Serial
Address Data.
o
Connect
SAD
Terminal
ofl
I
Serial
Register.
Output
of
Head
Address
for Read
/
Write.
I
Chip Select.
o
Connect CS Terminal of Scri-
11
al Register.
Chip Select.
o
Connect CS Terminal of Seri-
al Resister.
I
I
Chip Select.
I
o
Connect CS Terminal of Seri-
af
Register.
Connect Oscdlator
1
f
Power Source for Diglial
I
I
Data Input.
o
Connect
DIN
Terminal
of
Serial
Register.
Output
of
W ntc Data.
Data OutpUt.
I
Connect
DOUT
Termmal
of
Serial Register. Inpu[ of Read
Data.
I
Read / Write Clock.
I
o
Connect
RWCK
Terminal
of
Serial Register. Clock Output
Terminal
for
Data
Read
/
Write to Serial Resister.
I
I
Output 1 / 2 Frequency Clock I
10
of Sampling Frequency.
During
Record or Pfayback,
o
OLitmJt Low Level.
I
I
–35–
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