UPD9903GT NEC [NEC], UPD9903GT Datasheet - Page 21

• Manufacturer Part Number: UPD9903GT
• Description: UPD9903 ANALOG SUBSCRIBER LINE LSI DIGITAL CODEC
• Manufacturer: NEC [NEC]

TEST0
TEST1
TEST2
TEST3
CR
R
T
G
S
S
T1
T2
R
Z1
Z2
50
(0.5 %, 1 W)
50
(0.5 %, 1 W)
R
D2
FT
R
D3
FR
V
D4
BB
D1
(–48 V)
Q1
3.6 k (1 %, 1 W)
Q4
3.6 k (1 %, 1 W)
R
R
TE
RE
1 F
(6 V)
C
(100 V)
VCC
0.1 F
37
38
24
40
42
32
44
45
C
VBB
+
–
T
T
T
T
R
R
R
R
48 25
23 47 31 15 46 36 33 34
B
E
EF
S
S
EF
E
B
–
+
R
0.68 F
(50 V)
C
(BS-LSI)
PSR
PC7073
27
T1
–
+
+
–
0.68 F
(10 V)
29
T2
C
DC
DC
DC
DC
ACOM
BCUT
DC
DC
BIAS
ASCN
AGDT
BB
ALM
RC
RC
RC
OUT3
OUT2
OUT1
PD
R
T
OUT
IN1
IN2
X
X
1
2
3
11
35
9
10
1
2
3
4
5
19
18
17
20
21
22
6
7
8
C
0.1 F
C
C
(5 V)
–
GDT
AC
0.68 F (50 V)
COM
–
+
Ring-Trip detector
0.68 F
(10 V)
37
38
40
39
48
47
46
45
44
30
31
32
29
28
27
43
42
41
A
A
CD
CD
CD
DC
DC
BCUT
ALM
PD
RC
RC
RC
BB
ASCN
AGDT
ACOM
ACOM
–
IN
OUT
0.1 F
+
(6 V)
IN
IN3
IN2
IN1
OUT1
OUT2
1
2
3
C
VDD
IN
OUT
36 35 34 33
11 12 13 16
(HCS-LSI)
PC9903
R
1 k
AUX/MODE 14
SUS
26 25
15
DCLK 21
1 k
TYPE 24
R
HW
HW
EXD 19
EXS 18
RST 17
BSY
FS 22
X
R
23
20
R
2 k
PULL
TYPE
AUX/MODE
EXD
EXS
RST
(+5 V)
(+5 V)
V
HW
FS
DCLK
HW
V
CC
DD
X
R