COG-VL248160-02 Datasheet, PDF (7/12 Pages) Varitronix international limited – 248x160 dots, FSTN, black & white, positive, transflective, LCD graphic module.

VL-PS-COG-VL248160-02 REV.A
(COG-VL248160)
NOV/2008
PAGE 7 OF 12
3. Interface signals
Pin No.
1
2
3
4
Symbol
NC
NC
VSS
VDD
Table 2
Description
No connection.
Ground.
Power supply.
Test control. This pin has on-chip pull-up resistor. Leave it open during normal
operation.
5
TST4
TST4 is also used as one of the high voltage power supply for MTP
programming operation. For COG designs, please wire out TST4 with trace
resistance between 30~50 Ω.
6
NC
No connection.
______
______
7
______
CS
CS (CS0). Chip Select. Chip is selected when CS = “L”. When the chip is
not selected, D[7:0] will be high impedance.
________
________
RST(RST). When RST=”L”, all control registers are re-initialized by their
default states. Since UC1698u has built-in Power-ON reset and software reset
________
8
________
RST
commands, RST pin is not required for proper chip operation.
An RC Filter has been included on-chip. There is no need for external RC
________
noise filter. When RST is not used, connect the pin to VDD.
9
RS
RS(CD). Select Control data or Display data for read/write operation.
”L”: Control data ”H”: Display data
_______
________ _______
10
WR
RD ,WR(WR[1:0]) controls the read/write operation of the host interface.
_______
________
WR (WR0):write.
11
RD
________
RD (WR1):read.
12
D7
13
D6
14
D5
15
D4
Bi-directional bus for parallel host interface.
16
D3
17
D2
18
D1
19
D0
20
VSS
Ground.
-
A
Anode of LED backlight.
-
K
Cathode of LED backlight.