User Guide

PAMS
Technical Documentation
RAE–2
UIF Module BS2
Page 4 – 8
Original 02/99
NotesUnitMaxi-
mum
Typical /
Nominal
Mini-
mum
ParameterLine SymbolI/OPin
20 I COL2 CMT Key-
board column
2
0
0.7xVBB
0.3xVBB
VBB
V Low
High
21 I COL3 CMT Key-
board column
3
0
0.7xVBB
0.3xVBB
VBB
V Low
High
22 I COL4 CMT keyboard
column 4
0
0.7xVBB
0.3xVBB
VBB
V Low
High
23 O ROW0 CMT keyboard
row 0
0
0.7xVBB
0.3xVBB
VBB
V Low
High
24 O ROW1 CMT keyboard
row 1
0
0.7xVBB
0.3xVBB
VBB
V Low
High
25 O ROW2 CMT keyboard
row 2
0
0.7xVBB
0.3xVBB
VBB
V Low
High
26 O ROW3 CMT keyboard
row 3
0
0.7xVBB
0.3xVBB
VBB
V Low
High
27 I CMT_BL_ON CMT LCD and
keyboard
backlight en-
able
0
0.7xVBB
0.3xVBb
VBB
V Low, backlight
OFF
High, backlight
ON
28 I PDA_BL_ON PDA LCD
backlight en-
able
0
0.7xVSY
S
0.3xVSY
S
VSYS
V Low, backlight
OFF
High, backlight
ON
29 I LCDD3 PDA LCD
data, leftmost
pixel
0
0.8xVSY
S
0.2xVSY
S
VSYS
V Low
High
30 I LCDD2 PDA LCD data 0
0.8xVSY
S
0.2xVSY
S
VSYS
V Low
High
31 GND 0 V
32 I LCDD1 PDA LCD data 0
0.8xVSY
S
0.2xVSY
S
VSYS
V Low
High
33 I LCDD0 PDA LCD
data, right-
most pixel
0
0.8xVSY
S
0.2xVSY
S
VSYS
V Low
High
34 GND 0 V
35 I SCK PDA LCD bus
clock
0
0.8xVSY
S
0.2xVSY
S
VSYS
V Low
High
0 2.3 3.2 MHz
36 GND GND 0 V