參數(shù)資料
型號: UPD9903
廠商: NEC Corp.
元件分類: Codec
英文描述: UPD9903 ANALOG SUBSCRIBER LINE LSI DIGITAL CODEC
中文描述: UPD9903模擬用戶線數(shù)字編解碼器大規(guī)模集成電路
文件頁數(shù): 2/28頁
文件大小: 135K
代理商: UPD9903
μ
PD9903
2
PIN CONFIGURATION (Top View)
48-pin plastic shrink SOP (375 mil)
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
AV
DD
DV
DD1
DV
DD2
AUX/MODE
BSY
SUS
RST
EXS
EXD
HW
R
DCLK
FS
HW
X
TYPE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
DC
IN3
DC
IN2
DC
IN1
DC
OUT1
DC
OUT2
BB
IN
ASCN
AGDT
A
IN
A
OUT
ACOM
OUT
ACOM
IN
AGND
SUB
DGND1
DGND2
PD
ALM
BCUT
RC
1
RC
2
RC
3
RT
IN0
RT
IN1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
μ
ACOM
IN
ACOM
OUT
AGDT
AGND
A
IN
ALM
A
OUT
ASCN
AUX/MODE
AV
DD
BB
IN
BCUT
BSY
DC
IN1
- DC
IN3
DCLK
DC
OUT1
, DC
OUT2
: DC FEEDBACK CONTROL OUT
: ANALOG COMMON VOLTAGE IN
: ANALOG COMMON VOLTAGE OUT
: ANALOG GROUND DETECTION SIGNAL IN
: ANALOG GROUND
: ANALOG SIGNAL IN
: ALARM OUT
: ANALOG SIGNAL OUT
: ANALOG LOOP DETECTION SIGNAL IN
: EXTERNAL SIGNAL IN/MODE CONTROL SET
: ANALOG POSITIVE POWER SUPPLY
: V
BB
VOLTAGE INFORMATION IN
: BATTERY FEED CUT SIGNAL OUT
: BUSY SIGNAL OUT
: DC FEEDBACK CONTROL IN
: DATA CLOCK IN
DGND1, DGND2: DIGITAL GROUND
DV
DD1
, DV
DD2
: DIGITAL POSITIVE POWER SUPPLY
EXD
: EXPANSION PORT DATA
EXS
:
EXPANSION PORT SYNCHRONIZATION
FS
: FRAME SYNCHRONOUS CLOCK IN
HW
R
: RECEIVE HIGHWAY DATA IN
HW
X
: TRANSMIT HIGHWAY DATA OUT
NC
: NO CONNECTION
PD
: POWER DOWN CONTROL OUT
RC
1
- RC
3
: RELAY CONTROL OUT
RST
: RESET IN
RT
IN0
, RT
IN1
: RING TRIP SIGNAL IN
SUB
: SUB GROUND
SUS
: SUSPEND SIGNAL OUT
TYPE
: TYPE SIGNAL OUT
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