Nokia NSB-9, Руководство по обслуживанию

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NSB-9
System Module and User Interface CCS Technical Documentation
Page 20
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Nokia Corporation Issue 1 04/03
Table 13: LCD Connector (X300)
Pin Signal Min Nom Max Condition Note
1 VDD (VFLASH1) 2.72V 2.78V 2.86V Voltage supply
Connected to VFLASH1
2 XRES 0.8xVIO
0 VIO
0.22xVIO Logic ’1’
Logic ’0’ Reset
Active low
1000ns t
rw
Reset active
3 SI 0.8xVIO
0 VIO
0.22xVIO Logic ’1’
Logic ’0’ Serial data (driver
input)
100ns t
sds
Data setup time
100ns t
sdh
Data hold time
4 VDDI (VIO) 1.72V 1.8V 1.88V Logic voltage supply
Connected to VIO
5 XCS 0.8xVIO
0 VIO
0.22xVIO Logic ’1’
Logic ’0’ Chip select
Active low
130ns t
css
XCS low before SCLK
rising edge
130ns t
csh
XCS low after SCLK ris-
ing edge
300ns t
csw
XCS high pulse width
6 SCLK 0.8xVIO
0 VIO
0.22xVIO
6.5MHz Logic ’1’
Logic ’0’
Max frequency Serial clock input
250ns t
scyc
Clock cycle
110ns t
shw
Clock high
110ns t
slw
Clock low
7 GND 0V Ground
8 LED -
0.505V
0V
0.525V
0.545V
LEDs OFF
LEDs ON
9 NC Not connected
10 LED +
9.505V
(9V+LED-)
0V
11.325V
(10.8V+LED-
)
12.545V
(12V+LED-
)
LEDs OFF
LEDs ON Supply voltage for LCD
LEDs