參數(shù)資料
型號: SAA5355
廠商: NXP SEMICONDUCTORS
元件分類: 顯示控制器
英文描述: Single-chip colour CRT controller FTFROM
中文描述: 40 X 80 CHARACTERS CRT CHAR DSPL CTLR, PDIP40
文件頁數(shù): 19/31頁
文件大?。?/td> 335K
代理商: SAA5355
March 1986
19
Philips Semiconductors
Product specification
Single-chip colour CRT controller
(FTFROM)
SAA5355
Character generation
FTFROM supports eight character tables, each of (nominally) 128 characters. Four tables are in on-chip ROM and
contain fixed characters and four are stored in an external RAM. The fixed character tables (Tables 0 to 3), shown in Figs
15 and 16, are applicable to 10-lines-per-row applications. For 9 lines per row applications, the characters will be as
shown but with the last line removed from alpha characters and line 5 (labelling 0 to 9) removed from mosaic and line
drawing characters.
Fig.15 On-chip characters: (a) Table 0; (b) Table 1.
(a)
(b)
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