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ST7038 Datasheet(PDF) 21 Page - Sitronix Technology Co., Ltd. |
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ST7038 Datasheet(HTML) 21 Page - Sitronix Technology Co., Ltd. |
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21 / 63 page ![]() ST7038 Ver 1.3 21/63 2008/05/27 Character Generator ROM (CGROM) The Character Generator ROM stores 5x8-dot character patterns for 8-bit character codes. It stores 256 5x8-dot character patterns which can be selected by 8-bit character code (Table 5). The first 16 patterns are multiplexed with the Character Generator RAM (CGRAM). By using instruction to set OPR2 & OPR1, customer can use the patterns stored in CGRAM to replace these 16 default patterns. The detailed setting is illustrated in Table 7. User-defined character patterns are also supported by changing the content in mask-programmed ROM. Table 5 illustrated the relation between Character Codes and Character Patterns. ST7038-0B Table 5 ROM Table (ROM Code ID: 0B) |
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