msm7503 Oki Semiconductor, msm7503 Datasheet - Page 32

• Manufacturer Part Number: msm7503
• Description: Multi-function Pcm Codec
• Manufacturer: Oki Semiconductor

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