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SM8230A Folha de dados(PDF) 2 Page - NEC

Nome de Peças SM8230A
Descrição Electrónicos  Tone Dialer with Built-in Piezo Driver
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Fabricante Electrônico  NEC [NEC]
Página de início  http://www.nec.com/
Logo NEC - NEC

SM8230A Folha de dados(HTML) 2 Page - NEC

  SM8230A_06 Datasheet HTML 1Page - NEC SM8230A_06 Datasheet HTML 2Page - NEC SM8230A_06 Datasheet HTML 3Page - NEC SM8230A_06 Datasheet HTML 4Page - NEC SM8230A_06 Datasheet HTML 5Page - NEC SM8230A_06 Datasheet HTML 6Page - NEC SM8230A_06 Datasheet HTML 7Page - NEC SM8230A_06 Datasheet HTML 8Page - NEC  
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SM8230A
SEIKO NPC CORPORATION —2
BLOCK DIAGRAM
PIN DESCRIPTION
Number
Name
I/O
Description
1
SD
I
Serial data input
2
SCL
I
Serial data transfer clock input.
(For valid transfer, OE must stay LOW for 16 clock cycles.)
3OE
I
DTMF output enable/serial data transfer select input.
Serial data transfer is selected when LOW.
4
VSS
Ground
5
CLK
I
System clock input. The clock can be set to one of four frequencies (480kHz,
960kHz, 1.92MHz, 3.84MHz).
6
BZL
O
DTMF low-frequency group analog output
7
BZH
O
DTMF high-frequency group analog output
8
VDD
Supply voltage
CLK
OE
BZL
VSS
SCL
VDD
SD
BZH
LATCH
SELECTOR
Programmable
Counter
High Group
ROM
D/A
Converter
Output
Control
Programmable
Counter
Low Group
ROM
D/A
Converter
Output
Control


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