Nokia 16xx, 3110, 8110 cell phones
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Nokia 16xx, 3110, 8110 cell phones

full pinout

 12 pin Nokia 8110 cellphone special
12 pin Nokia 8110 cellphone special connector  at the cellular phone
Pin Name Description
1GNDCharger/System Ground
2V_OUTAccessory Output Supply. (3.4V...10V - 50mA)
3XMICExternal Microphone Input and Accessory Identification
4EXT_RFExternal RF Control Input
5TXFBUS Transmit (N/C in 1610?)
6MBUSSerial Control Bus
7BENANot Connected
8SGNDSignal Ground
9XEARExternal Speaker and Mute Control
10HookHook Signal
11RXFBUS Receive (N/C in 1610?)
12V_INCharging Supply Voltage (Max 16V)

XMIC: External Microphone Input and Accessory Identification

U low U high Description
1.15 V1.4 VCompact Handsfree Unit Connected
1.7 V2.05Headset Adapter Connected
2.22 V2.56 VInfra Red Link Conneceted

EXT_RF: External RF Control Input

U low U high Description
0.0 V0.5 VExternal RF in use
2.4 V3.2 VInternal Antenna in use

MBUS: Serial Control Bus

U low U high Description
0.0 V0.5 VLogic Low Level
2.4 V3.2 VLogic High Level

XEAR: External Speaker and Mute Control

U low U high Description
0.0 V0.5 VMute ON (HF Speaker Mute)
1.0 V1.7 VMute OFF (HF Speaker Active)

Hook: Hook Signal

U low U high Description
0.0 V0.5 VHook Off (Handset in Use)
2.4 V3.2 VHook On (Handset in Use)

Source:www.pinouts.ru


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