User Guide

NPE-3
System Module PAMS Technical Documentation
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Table 8. Internal Audio, Electrical specifications
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Table 9. Production Test interface. (for production use only)
Pin Name Min Typ Max Unit Remark
n/a EARN 0 14 220 mV Connected to COBBA_GJP EARN output. Typical level
corresponds to -16 dBm0 network level with volume con-
trol giving nominal RLR (=+2dB) 8 db below max. Max
level is 0dBmO with max. volume (codec gain -11 dB)
n/a EARP 0 14 220 mV Connected to COBBA_GJP EARP output. Typical level
corresponds to -16 dBm0 network level with volume con-
trol giving nominal RLR (=+2dB) 8 db below max. Max
level is 0dBmO with max. volume (codec gain -11 dB)
6 on
sys.
conn
.
MICP 0 2 12.5 mV Connected to COBBA_GJP MIC2P input. The maximum
value corresponds to1 kHz, 0 dBm0 network level with
input amplifier gain set to 32 dB.
Typical value is maximum value - 16 dB.
7on
sys.
conn
.
MICN 0 2 12.5 mV Connected to COBBA_GJP MIC2N input.
As above.
Pin Name Description
1 FBUS_TX Serial Data Out / Flash Programming Transmit Data.
2 FBUS_RX Serial Data In / Flash Programming Input Data.
3 MBUS Bidirectional Serial Bus / Flash Programming Serial Clock.
4 XEAR Analog Audio Output.
5 SGND Audio Signal Ground.
6 XMIC Analog Audio Input.
7 L_GND Charger Ground.
8 VPP_GND FLASH VPP Ground. To be grounded whenever 12V applied to VPP
9 V_IN Charging Voltage.
10 VPP Flash Programming Voltage.
11 WDDIS Watchdog Disable.