MT92303 Zarlink Semiconductor, MT92303 Datasheet - Page 23

• Manufacturer Part Number: MT92303
• Manufacturer: Zarlink Semiconductor

Preliminary Information
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Defaults to all-zero’s. Do not over-write with different values
6-7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
Address 19h
Read only
Address 17h
Address 18h
Read/Write
Read/Write
MUTEDET3
MUTEDET2
MUTE3
MUTE2
TEST[1:0]
TEST[3:2]
MIC3
MIC2
TCALMA
TCALVG
PDDAC
TSTVG
TSTAA
PDSD
PDVC
-
0
0
0
0
-
Audio Interface #3: ‘Mic Mute Detect’ signal
Audio Interface #3: Microphone Channel is Muted (may need to be actively un-muted)
Audio Interface #2: ‘Mic Mute Detect’ signal
Audio Interface #2: Microphone Channel is Muted (may need to be actively un-muted)
Audio Interface #3: ‘Mic Presence Detect’ signal
Audio Interface #2: ‘Mic Presence Detect’ signal
UNUSED (Don’t care)
RESERVED
RESERVED
01 = Internal SYSCLK (PLL output in some modes)
RESERVED
RESERVED
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‡
‡
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for ‘gemulation mode’ testing
for internal signal testing via DTSO pin.
for production testing
Audio Interface: Status (Register x1)
General: Test TX Analog (Register x1)
General: Test (Register x1)
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MT92303
23