Nokia RH-9 Series Ccs Technical Documentation page 11

CCS Technical Documentation
Table 10: Connections between UEM/Battery and LM4890
Signal name From
XAUDIO[1] UEM, HF No
Filtered signal direct con-
nection
between
UEM and
LM4890
VBAT Battery
LCD
NMP
Pin Signal
net
1 /RES XRES
2 /SCE XCS
3 VSS VSS
4 SDATA SDA
5 SCLK SCLK
Issue 1 11/02
To Parameter
LM4890 Output Swing
LM4890 Supply
(p. 6)
Table 11: LCD connector interface
Symbol Parameter
Reset
Chip Select
GND Ground
Input (writ-
ing to dis-
play)
Output
(reading
from display)
I = 0.5mA,
OL
I = -
OH
0.5mA
t
s1
t
H1
Serial clock
input
ãNokia Corporation
Min. Max.
1.0 -
3.1 4.2
Ty
Min. Max.
p.
0.3 x V
DDI
0.7 x V
DDI
0.7 x V
DDI
0.3 x V
DDI
0
1
0.7 x V
DDI
0.3 x V
DDI
0.8 x V
DDI
O.2x V
DDI
0.3 x V
DDI
100 - -
100 - -
0.7 x V
DDI
0.3 x V
DDI
RH-9
System Module & UI
Unit Notes
Vpp with 60 dB
signal to total
distortion
ratio
V Lower limit is
SW cut-off
Un
Notes
it
V Logic Low,
active
ns Logic high
V Logic High
V Logic Low,
active
V
V Logic High
Logic Low
V Logic High
Logic Low
V Logic Low
ns Data setup time
ns Data hold time
V Logic High
V Logic Low
Page 11