UBA1702T/C1 データシートの表示（PDF） - Philips Electronics
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UBA1702T/C1 Datasheet PDF : 24 Pages
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Philips Semiconductors
Line interrupter driver and ringer
Product specification
UBA1702; UBA1702A
PINNING
SYMBOL
SDI
SDO
n.c.
DPI
SPI
SPO
VEE
MSI
ZPA
MSA
RTA
RFO
RV0
RV1
RV2
RMI
VSS
VDD
VBB
ROB
VRR
ROA
RPI
CDO
CLA
CDA
n.c.
EHI
PIN
DESCRIPTION
1 switch driver input
2 switch driver output
3 not connected
4 dialling pulse input
5 speech part input
6 speech part output
7 ground for transmission circuit
8 mute switch input
9 Zener protection adjustment input
10 mute switch adjustment input
11 ringer threshold adjustment input
12 ringer frequency output
13 ringer volume input; bit 0
14 ringer volume input; bit 1
15 ringer volume input; bit 2
16 ringer melody input
17 ground for microcontroller and
ringer
18 microcontroller supply voltage
19 supply voltage from transmission
circuit
20 ringer output B
21 ringer supply voltage
22 ringer output A
23 ringer part input
24 current detection output
25 current limitation adjustment input
26 current detection adjustment input
27 not connected
28 electronic hook switch input
handbook, halfpage
SDI 1
28 EHI
SDO 2
27 n.c.
n.c. 3
26 CDA
DPI 4
25 CLA
SPI 5
24 CDO
SPO 6
VEE 7
MSI 8
ZPA 9
23 RPI
UBA1702
UBA1702T
UBA1702A
UBA1702AT
22 ROA
21 VRR
20 ROB
MSA 10
RTA 11
RFO 12
19 VBB
18 VDD
17 VSS
RV0 13
16 RMI
RV1 14
15 RV2
MBE183
Fig.2 Pin configuration.
1997 Sep 29
5
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