Nokia NSB-5 Series Technical Documentation Manual page 44

NSB-5
System Module
F7 RxQN I
G7 VDA1 P
H7 RxRef O
A8 VSUB P
B8 VSS2 P
C8 VDD2 P
D8 RFIClk I
E8 ResetX I
F8 RxQP I
G8 RxIP I
H8 RxIN I
Pin Symbol
1 RSSI
2 ICHAR
3 MODE_SEL
4 VR3/RAM_bck
5 CNTVR3
6 CNTVR2
7 CNTVR5
8 VBAT
9 VR2
10 GROUND
11 VR5
12 VBAT
13 VREF
14 GROUND
15 VR4
Page 44
- Negative Q receive input in
Rx_In-phase mode
- Positive analog power supply for
the receivers
Float Rx path internal reference buff-
ered output
- Substrate contact for digital logic
- RF interface negative digital
power supply
- RF interface positive digital
power supply
Inp System clock input
(13 MHz)
Inp Master system reset
- Positive Q receive input in Rx_In-
phase mode
- Positive I/common receive input
- Negative I/common receive input
Table 12: CCONT 3V pin assignment
Type State in Reset
I
I
I High Z/GND
O OV/2.8V
I High Z
I High Z
I High Z
P
O High Z
P
O High Z
P
O 1.244/1.5V
P
O High Z
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
AGND
VCOBBA from CCONT
Not used (floating)
GND
GND
VBB
COBBAClk output from
MAD2WD1
DSPGenOut5 from MAD2WD1
AGND
From SUMMA
From SUMMA
Description
receive signal strength indicator
V(ICHAR) voltage input
mode select High Z=normal mode
GND=RAM_Bck
VR3 regulator output/RAM backup
Control VR3 regulator
Control VR2 regulator
Control VR5 regulator
unregulated supply voltage (RF)
VR2 regulator output
(RF)
VR5 regulator output
unregulated supply voltage (RF)
reference voltage output
(RF)
VR4 regulator output
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