NT7704
3
Pad Description
Pad No.
Designation
I/O
Description
1 - 12
V0L
P
Power supply for LCD driver
13 - 20
V12L
P
Power supply for LCD driver
21 -28
V43L
P
Power supply for LCD driver
29 - 40
V5L
P
Power supply for LCD driver
41 - 66
VSS
P
Ground (0V), these pads must be connected to each other
67 - 92
VDD
P
Power supply for the logic system (+2.5 to +5.5V)
93 - 94
S/C
I
Segment mode/common mode selection
95 - 97
EIO2
I/O
Input/output for chip select or data of the shift register
98, 99, 100 -
116, 117, 118
D0 - D6
I
Display data input for segment mode
119 - 121
D7
I
Display data input for Segment mode/ Dual mode data input
122 - 124
XCK
I
Display data shift clock input for segment mode
125 - 127
DISPOFF
I
Control input for deselect output level
128 - 130
LP
I
Latch pulse input/shift clock input for the shift register
131 - 133
EIO1
I/O
Input/output for chip select or data of the shift register
134 - 136
FR
I
AC-converting signal input for LCD driver waveform
137 - 139
L/R
I
Display data shift direction selection
140 - 142
MD
I
Mode selection input
143 - 168
VSS
P
Ground (0V), these pads must be connected to each other
169 - 180
V5R
P
Power supply for LCD driver
181 - 188
V43R
P
Power supply for LCD driver
189 - 196
V12R
P
Power supply for LCD driver
197 - 208
V0R
P
Power supply for LCD driver
209 - 448
Y1 - Y240
O
LCD driver output