Nokia 5140 Manuales De Servicio
NPL-4/5
System Module and User Interface
Nokia Customer Care
Page 54
Copyright © 2004 Nokia Corporation. All rights reserved.
Issue 1 05/04
MagIC ASIC – UPP interface
Table 24: MagIC-UPP interface
H3
SRVdd2
Power
supply
supply
from UEME via MagIC to tank charge
capacitor (1uf)
capacitor (1uf)
Vdd supply for S/R
(two power pads on
die, double bonding to
one pin)
(two power pads on
die, double bonding to
one pin)
G4
InXm
Analog
Input
Input
14
Vo-
(A)
(A)
to magnetic sensor XOUT-
(A)
(A)
x-axis negative input
for A/ converter
for A/ converter
H4
InXp
Analog
Input
Input
3
Vo+
(A)
(A)
to magnetic sensor XOUT+
(A)
(A)
x-axis positive input
for A/ converter
for A/ converter
H5
InYm
Analog
Input
Input
10
Vo-
(B)
(B)
Magnetic sensor YOUT-
(B)
(B)
y-axis negative input
for A/ converter
for A/ converter
G5
InYp
Analog
Input
Input
16
Vo+
(B)
(B)
Magnetic sensor YOUT+
(B)
(B)
y-axis positive input
for A/ converter
for A/ converter
G7
Vbridge
Analog
Output
Output
4
Vcc
Magnetic sensor Vbridge voltage
Common voltage bias
for all sensor bridges
(2.2V) trought MagIC
ASIC
for all sensor bridges
(2.2V) trought MagIC
ASIC
F7
Tank-
Charge
Charge
Analog
Output
Output
to tank charge (external) capacitor
Charges the SR tank
cap during power-up
only (Vdda can go up/
down during PD)
cap during power-up
only (Vdda can go up/
down during PD)
F8
Avdd
Power
supply
supply
UEME
Positive Analog Power
supply
supply
E7
GndShield
Ground
GND
Dedicated pin to cre-
ate a clean substrate
supply (guard ring
between analog and
digital)
ate a clean substrate
supply (guard ring
between analog and
digital)
E8
Avss
Analog
ground
ground
GND
Negative Analog
Power supply
Power supply
Pad
MagIC
Pin Name
MagIC
Pin Type
UPP
Pin Name
Connection
Function
B2
CbusClk
Digital
input
input
CBUSCLK
UPP – UEME - MagIC
bidirectional bus
bidirectional bus
C bus clock, alterna-
tively system clock for
MagIC
tively system clock for
MagIC
C3
Clk
Digital
Input
Input
GenIO3
from UPP general I/O
generated from system clock
generated from system clock
MagIC ASIC system
clock = 13MHz
clock = 13MHz
A4
CbusDa
Digital I/
O
O
CBUSDA
UPP - UEME – MagIC
bidirectional bus
bidirectional bus
CBUS data