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hi...... friend...
are you sure that the bit pattern is like dat only....because i am not getting a 0 by using 7D...
i think this is what you was telling...
p1 c b a d e g f
0 1 1 1 1 1 0 1 =0x7D=0
ok i am sorry for asking a silly question like this...........
i am using 18 pin 6x1 lcd and i am using only 8-20 segments of ht1621. its duty cycle is 1/4......
mapping is like this---
SEGMENT/ LCD PIN
8 / 3
9 / 4
10 / 5...
can anyone tell me the way how to write sumthing on lcd......for example if i want to write 1111 on my 6x1 lcd..... how should i program my my ram segments and addresses????????
hey thanks for your support but i got the solution.....
actually there was an hardware problem...... my data pin was not soldered correctly with the pad that's why it is not taking any data.....now my lcd is on....
i am very grateful to you for helping me so much.....
nw i am looking further...
hey thanks dear.....
but i am still not getting anything....
i think there is some problem with my write_cmd() and write_data() routines....
can u do me a favour...... can you tell me the routines for sending command and data to ht1621B lcd driver......
thanks
hi thanks for your help...............
but i am still not getting anything on my lcd.
According to you i changed my commands of WR high into WR low and vice versa.
and provide lcd on command as 0x30........i think this is wat u was saying...
but still my problem is same...
if there is any...
hi all......i am still not getting anything on my lcd..... i hav a written a simple code just to start display without using any headers for driver..... this prog is compiled successfully but i dnt get anything on lcd.......
i am using a ext cpu clock of 8Mhzof atmega88 connected to to driver...
hi.........
i am using HT1621B lcd driver with atmega88 connected on portD... i want to start my display. so i want to ask do i need a specialized ht1621.h file or a lcd.h header files?
currently i dnt have any of these header files... i dnt know wat to do next exactly..... can anyone tell me...
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