User Guide

PAMS
Technical Documentation
NSE–8/9
System Module
Page 2– 21
Issue 1 07/99
Table 12. Vibra motor connection, E103 & E104
Pad Name Min Typ Max Unit Comment
E103 to E104 Rated voltage 1.3 V
E103 to E104 Rated current 116 mA
rms
E103 to E104 Operating
voltage
1.2 1.9 V rms
E103 to E104 Start voltage 1.1 V rms
E103 to E104 Start current 135 mA
rms
E103 to E104 internal resis-
tance
10.7 ohm
Internal Signals and Connections
This section describes all the signal between the Baseband blocks
Additionally the signals between the Baseband and the RF section are
described.
Table 13. Audio Block connections
Name
of signal
Type Remark
charg_ctrl input connected for schematic reasons (use of TVS on audio sheet)
HOOKDET output Lo
g
ical si
g
nal indicatin
g
whether hook is active or not in accessor
y
Low
gg g y
equals button activated.
HEADDET output Lo
g
ical output indicatin
g
whether the audio accessory is inserted (HIGH)
gg y()
or not (LOW).
XEARP output Positive line of the external audio downlink signal.
XEARN output Negative line of the external audio downlink signal.
XMICP input Positive line of the external audio uplink signal
XMICN input Negative line of the external audio uplink signal
IMICP input Positive line of the internal microphone signal
IMICN input Negative line of the internal microphone signal
EAD output Analog voltage used for accessory identification.
SERRFI(3:0) Bus Serial control for the COBBA_GJP and serial data for the RF interface.
PCM(3:0) Bus Serial digital data for the COBBA_GJP audio
COBBACLK input System clock for the COBBA_GJP
COBBA
RESET
input Reset signal to the COBBA_GJP
AFC output Analog voltage to RF controlling the system frequency
RXC output Analog voltage for gain control in the RF–receiver (AGC)
TXC output Analog voltage for the TX ramping control