Release 1.0
Technical Documentation 01/2006
TD_Repair_L3_SXG75_R1.0.pdf Page 27 of 73
6.3.2 Analogue interfaces
The analogue functions in the MSM6250 are powered from the VREG_MSMA (2.6V) supply.
Signal functions are summarised below:
MSM6250
Function
Signal Name Function
MIC1P MIC1_P Mic 1 input (+) to phone microphone
MIC1N MIC1_M Mic 1 input (-) to phone microphone
MIC2P MIC2_P Mic 2 input (+) to accessory connector mic input
MIC2N MIC2_M Mic 2 input (-) to accessory connector mic input
AUXIP_AUXIL
FM_RADIO_AUXI
P
FM radio input (left)
AUXIN_AUXIR
FM_RADIO_AUXI
P
FM radio input (right)
EAR1OP EAR10_P Earphone 1 amplifier output (+) to earpiece
EAR1ON EAR10_M Earphone 1 amplifier output (-) to earpiece
HPH_L
Not used
HPH_R
Not used
AUXOP_AUXO L AUXO_P
Auxiliary output (+/Left) to PM6650 amplifier, and
accessory amplifier.
AUXON_AUXO R
AUX_M
Auxiliary output (-/Right) to PM6650 amplifier, and
accessory amplifier.
HKIN[5]
ADC analogue input. Hardware identification on A1+ and
above
HKIN[4]
ADC analogue input. Hardware identification on A1+ and
above
HKIN[3] PA_THERM ADC analogue input. From PA temperature sensor.
HKIN[2] HDET1 ADC analogue input. From RF power level sensor.
HKIN[1] RF_THERM
ADC analogue input. From second temperature sensor.
Not used on version B2.2 and above.
HKIN[0] AMUX_OUT
ADC analogue input. From PM6650 analogueue signal
input (battery voltage etc)
I_IP_CH1 RX1_I_P
I_IM_CH1 RX1_I_M
Q_IP_CH1 RX1_Q_P
Q_IM_CH1 RX1_Q_M
From analogue IQ output from GPS receiver (RFR6250)
I_IP_CH0 RX0_I_P
From analogue IQ output from UMTS receiver (RFR6250)
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2006©BenQ
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