User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 18
Issue 1 07/99
Table 10. Signals of the bottom connector X503 (continued)
NotesUnitMaxTypMinParameterNamePin
8 XMicP
*)
Positive line
for external
audio input to
phone
0.025 Vpp Maximum input signal level
(ref. XMicN) with Cobba gain
18dB,
300< f <3400 Hz
HDC–5 mode
40 dB/dec Attenuation of input inside
phone,
f<300 Hz (ref. XMicN)
1450 2090 mV Headset identification DC
level ref. gnd @ AUXout =
2.1V and
PDATA_4 =”L”
100 400 µA Bias current (ref. XMicN)
PPH–1
0.5 Vpp Maximum input signal level
(ref. XMicN) with Cobba gain
12dB,
300< f <3400 Hz
20 dB/dec Input attenuation, f<300 Hz
(ref. XMicN)
2060 2180 2300 mV PPH–1 with HFM–8 identifi-
cation DC level, wrt.
Charge_gnd
@ AUXout = ”Z” and PDA-
TA_4 =”L”
2490 2600 2720 mV PPH–1 with out HFM–8
identification DC level, wrt.
Charge_gnd
@ AUXout = ”Z” and PDA-
TA_4 =”L”
9,
12
Charge
Ct l
PWM exter-
lh
0 0.5 V Charger control PWM low
12 _
C
trl nal charge
co
n
t
r
o
l
2.4 V Charger control PWM high
control
32 Hz PWM frequency for a 3 wire
charger
1 25 99 % PWM duty cycle