MT8930CE Zarlink Semiconductor, MT8930CE Datasheet - Page 27

• Manufacturer Part Number: MT8930CE
• Description: Description = 4 Wire Full-duplex 2B+D (192Kb/s) Data Format Isdn S And T Subscriber Network Interface Circuit With Controllerless Mode ;; Package Type = Pdip ;; No. Of Pins = 28
• Manufacturer: Zarlink Semiconductor

Data Sheet
U Reference
R
R
Point
‡
‡
Converter
DC to DC
‡
100Ω
1:2
1:2
+5V
+5V
Figure 17 - NT1 using the MT8910-1 (DSLIC) and MT8930C (SNIC)
terminating resistor
V
2kΩ
R
DD
Tx
Termination
MH89101
10k
Network
V
LRx
LTx
Bias
IRQ
MT8930C
Figure 18 - ISDN Digital Telephone Set
Data Port
DSTo
C
DSTi
C4b
mode
F0b
IRQ
L
L
L
L
out+
in+
in-
out-
V
MT8910-1
DD
DSLIC
8051
DSTo
C4b
F0b
DSTi
Power Supply
Power Feed
and
+5V
DATA1 SCLK CS
DSTi
DSTo
F0i
C4i
C4b
F0b
DSTo
DSTi
MT9094
Microprocessor
HSPKR+
HSPKR-
MT8930C
NT Mode
SPKR+
SPKR-
S12-1
MIC+
MIC-
M+
M-
V
Bias
LRx
LTx
‡
100Ω terminating resistor
V
DD
10µF
R
Tx
1
4
7
*
Microphone
Speaker
2:1
2:1
MT8930C
2
5
8
0
Handset
3
6
9
#
S Reference
Display
Point
K
e
y
p
a
d
R
R
‡
‡
27