UPD9903 Datasheet, PDF (2/28 Pages) NEC – UPD9903 ANALOG SUBSCRIBER LINE LSI DIGITAL CODEC

µPD9903
PIN CONFIGURATION (Top View)
48-pin plastic shrink SOP (375 mil)
NC
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
AVDD
11
DVDD1
12
DVDD2
13
AUX/MODE
14
BSY
15
SUS
16
RST
17
EXS
18
EXD
19
HWR
20
DCLK
21
FS
22
HWX
23
TYPE
24
48
DCIN3
47
DCIN2
46
DCIN1
45
DCOUT1
44
DCOUT2
43
BBIN
42
ASCN
41
AGDT
40
AIN
39
AOUT
38
ACOMOUT
37
ACOMIN
36
AGND
35
SUB
34
DGND1
33
DGND2
32
PD
31
ALM
30
BCUT
29
RC1
28
RC2
27
RC3
26
RTIN0
25
RTIN1
ACOMIN
: ANALOG COMMON VOLTAGE IN
ACOMOUT
: ANALOG COMMON VOLTAGE OUT
AGDT
: ANALOG GROUND DETECTION SIGNAL IN
AGND
: ANALOG GROUND
AIN
: ANALOG SIGNAL IN
ALM
: ALARM OUT
AOUT
: ANALOG SIGNAL OUT
ASCN
: ANALOG LOOP DETECTION SIGNAL IN
AUX/MODE : EXTERNAL SIGNAL IN/MODE CONTROL SET
AVDD
: ANALOG POSITIVE POWER SUPPLY
BBIN
: VBB VOLTAGE INFORMATION IN
BCUT
: BATTERY FEED CUT SIGNAL OUT
BSY
: BUSY SIGNAL OUT
DCIN1 - DCIN3 : DC FEEDBACK CONTROL IN
DCLK
: DATA CLOCK IN
DCOUT1, DCOUT2 : DC FEEDBACK CONTROL OUT
DGND1, DGND2 : DIGITAL GROUND
DVDD1, DVDD2 : DIGITAL POSITIVE POWER SUPPLY
EXD
: EXPANSION PORT DATA
EXS
: EXPANSION PORT SYNCHRONIZATION
FS
: FRAME SYNCHRONOUS CLOCK IN
HWR
: RECEIVE HIGHWAY DATA IN
HWX
: TRANSMIT HIGHWAY DATA OUT
NC
: NO CONNECTION
PD
: POWER DOWN CONTROL OUT
RC1 - RC3
: RELAY CONTROL OUT
RST
: RESET IN
RTIN0, RTIN1 : RING TRIP SIGNAL IN
SUB
: SUB GROUND
SUS
: SUSPEND SIGNAL OUT
TYPE
: TYPE SIGNAL OUT
2