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MSM7502 Datasheet(PDF) 26 Page - OKI electronic componets

Part # MSM7502
Description  Multi-Function PCM CODEC
PDF  35 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

MSM7502 Datasheet(HTML) 26 Page - OKI electronic componets

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SW control and timer reset
WRITE Mode
Address Data
AD1 = 0, AD0 = 0
DB7
SW1
DB6 DB5 DB4 DB3 DB2 DB1 DB0
Control Data
Description for Control
Remarks
1
01
10
11
01
11
0
When hold tone or PB tone transmit is
selected, these inputs are muted.
01
01
10
10
10
11
00
01
10
11
Above codes
00
00
01
00
00
00
10
11
11
11
10
11
00
01
10
11
00
00
ON
Transmit handfree input
SW2
ON
Transmit handset input
SW3
ON
Receive input
SW4
ON
Side tone input
SW5
ON
Receive main amplifier input
SW6
ON
Receive speaker input
SW7
ON
Transmit path hold tone input
SW8
ON
Receive path hold tone Acknowledge input
SW9
ON
Additional receive input
SW10
ON
Additional speaker input
SW11
ON
Speaker DEC input
SW12
ON
PCM output enable
LA = 1
LB = 1
General Latch output for external control
Above corresponding SW or latch is set to OFF or "0".
00
0
0
All of above SWs or latches are set to OFF or "0" at the initial setting stage.
1
1
Watchdog timer is reset.
11
When Handfree input is selected, side
tone is muted.
When either of SW7 or SW8 is set to ON,
external terminal LML goes to "1".
Speaker DEC input = CODEC AOUT
—
—
—
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