l3037 STMicroelectronics, l3037 Datasheet - Page 2

• Manufacturer Part Number: l3037
• Description: Subscriber Line Interface Circuit
• Manufacturer: STMicroelectronics

L3037
L3037 PIN FUNCTIONALITY (PLCC44)
L3037 FUNCTIONAL DIAGRAM
2/22
32 to 36
10 to14
TTXIN
ODET
OGK
GST
ZAC
D94TL136
No.
LIM
RX
D0
D1
ZB
TX
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
1
1
SRING
BGND
VREG
ODET
CREV
TTXIN
AGND
+
Name
BASE
GREL
RTTX
ACFD
-
RING
RGIN
RDC
STIP
OGK
CAC
CRT
GST
REL
GREL
V
LIM
V
Z
I
I
TIP
CF
VB
RS
VB
D1
D0
ZB
Rx
REF
LTF
Tx
CC
AC
INTERFACE
SS
DECODER
ACFD
LOGIC
&
PROCESSOR
REL
2.32
RS
AC
1
Supply input (+5V)
Analog output (current source)
Analog input (current input)
Analog input (voltage input)
Analog output (voltage source)
Ground input (0V)
Supply input (VREG)
Analog input (voltage input)
Analog output (voltage output)
Supply input (-V
Analog output (voltage output)
Analog input (voltage input)
Analog input/output (voltage input / current output)
Digital output (voltage output with internal pull up)
Analog input (current input)
Digital output (voltage output with internal pull up)
Digital input (voltage input, internal pull down)
Digital input (voltage input)
Digital input (voltage input)
Digital input (voltage input 3 levels: 0, +5, open)
Supply input (-5V)
Digital output (voltage output open drain)
Analog input/output (voltage input/current output)
Ground input (0V)
Analog input (current input)
Analog input/output (current output/voltage input)
Analog input (voltage input)
Supply input (-V
Analog output (voltage output)
Analog input (voltage input)
Analog output (voltage output)
Analog input (voltage input)
Analog output (voltage output)
Analog input (voltage input)
Ground input (0V)
Analog input/output (voltage output/current input)
STATUS
LINE
CAC
RTTX
BAT
BAT
SUPERVISION
COMMANDS
VREF
)
)
CRT
ICRT
IREF
ILT
REFERENCE
SWITCHING
VCC
ICRT
BIAS
&
VSS
0 CROSS
DETECT.
RGIN
BIAS
AGND
Function
ILT
ILL
AC+DC
INTERFACE
CREV
(IA+IB)/200
(IA-IB)/200
LINE
IREV
PROCESSOR
AC
DC
DC
VB
(IA+IB)/200
-1
1
REGULATOR
CF
SUPPLY
IA
IB
BASE
STIP
TIP
RING
SRING
BGND
VREG
ILTF
RDC