Question
Download Solution PDFFor the 40-character wide LCD, the upper address range can go as high as:
(A) 0101011
(B) 1000000
(C) 0100111
(D) 1001000
(E) 1011111
Choose the most appropriate answer from the options given below :
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFLCD Addressing:
The upper address range can go as high as 0100111 for the 40-character wide LCD which is 39 in decimal.
Notice that the (0100111)2 = (39)10 which corresponds to locations 0 to 39 for the LCDs of 40 × 2 size.
Option (1) is correct.
Extra Information: For 20-character wide LCD it goes upto (010011)2 = (19)10
Last updated on Jun 19, 2025
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