MEMORY DATABOOK - Al Kossow's Bitsavers

_ MASK ROM· MSM281 01 AAS _____-----------------FUNCTIONAL CHARACTERISTICSParameter Specification Unit RemarksFont Type18 lines x 16 strings dot matrixOutput Mode 16 bits x 18 times transfer (Note 11Number of Generatingcharacters3418 WordStorage Character Rangeo - 7 (Non chinese-character area)16 - 47 (JIS -1st standard)Partition (Note 2)(Note 11The correspondence of the 181ines x 16 strings matrix and the data out pins are as shown in the diagrambelow_Output for the character portion will be Low (VOLI and the output for the background portion will beHigh (VoHI-4_-------16Iines--------18-II-l-~+--l t=AT17............... .1.-...... .1 t= AT 18ttftfffttt'fttftData out pins Do 0; 0; 0.0::; Os 0. D., D. D.D,oDIID12D'30,.lJ,";DV~I ----~11~------------------~qyr~I I II- .1- .1AT, AT.(Note 2)The correspondence of the 1st and 2nd bytes of JIS C 6226 and the address pins are as shown below.JIS C 6226Second byteFirst byteb, I b. I bs I b. I b3 I b. I b, b, I b. I bs I b. I b3 I b. I b,Address Pin A'3 I A,. I All I A,o I A. I A. I A, A. I As I A. I A3 I A. I A, I A.350