ABSTRACT
The HD4478 con tains a 9,920-bit char ac ter gen er a tor ROM that can pro duce a to - tal of 240 char ac ters;. 208 char ac ters with a 5 times 8 dot res o lu tion and 32 char ac - ters at a 5 × 10 dot res o lu tion. The de vice is also ca pa ble of stor ing 64 times 8-bit char ac ters data in its char ac ter gen er a tor RAM. This cor re sponds to 8 cus tom char - ac ters in a 5 times 8 dot res o lu tion or 4 char ac ters in a 5 times 10 dot resolution.
