參數(shù)資料
型號: AM79212JC
廠商: Electronic Theatre Controls, Inc.
英文描述: Advanced Subscriber Line Interface Circuit
中文描述: 高級用戶線接口電路
文件頁數(shù): 39/48頁
文件大?。?/td> 501K
代理商: AM79212JC
ASLIC/ASLAC Products
39
ASLIC/ASLAC DEVICES LINECARD SCHEMATIC
AD
RSN
VTX
ISUM
HPA
HPB
CHP
SA
IDIF
C1
C2
RING BUS
RRX
C.O.
BATTERY
VREF
VREF
VOUT
VIN
ISUM
IDIF
IAB
RINGOUT
IREF
RREF
C1
C2
I/O1
I/O2
RY1OUT
K1
AGND
DGND
VCCA VCCD
VCC GND
BGND
+5 V
C3
CBAT
RY2OUT
TMG
RTMG
A
RFA
CAD
RFB
BD
SB
BAL1
VCC
U3
C4
K1A
K2
K1B
B
K2B
K2A
RSA
RSB
VDC
K3
RGFD1
+5 V
+5 V
1
2
3
4
RSR2
RSR1
VLBIAS
VLBIAS
C.O.
BATTERY
C5
IRTA
IRTB
IDC
IDC
D1
RY3OUT
K4
RM
VM
CDC1
RT
IBAT
QBAT
+
RBAT1
CB
RBAT2
+
+
+
+
CS
+
+
Polarized
Capacitor
Non polarized
Capacitor
+ indicates bias
Battery
Ground
Analog
Ground
Digital
Ground
DRA
DXA
TSCA
MPI & PCM
Highway
Dual PCM Highway
(32-/44-Pin PLCC)
*These pins are unavailable for 32-pin PLCC option.
*I/O3
*I/O4
CM
VREF
CDIF
VBAT
RSVD
*DXB
*TSCB
*DRB
FS
RST
PCLK
MCLK
DCLK
DI/O
CS
INT
(
)
CBD
TEST
BUS
R
T
E
S
T
RAB
ASLIC
(32-Pin PLCC)
ASLIC
(32-/44-Pin PLCC)
U1
U2
Figure 7. ASLIC/ASLAC Typical Linecard Schematic
NC
Notes:
1. This application ckt is valid only to 2.2 V metering.
2. If the RSB sense resistor is moved so that it is exposed to the ringing voltage, see the discussion in the
Line Fault
Alarm
section.
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