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PCA2117DUGS/DA 데이터시트(PDF) 60 Page - NXP Semiconductors |
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PCA2117DUGS/DA 데이터시트(HTML) 60 Page - NXP Semiconductors |
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60 / 107 page ![]() PCA2117 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4 — 8 April 2015 60 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays 8.5.6 DDRAM The Display Data RAM (DDRAM) stores up to 80 characters of display data represented by 8-bit character codes. RAM locations which are not used for storing display data can be used as general-purpose RAM. The basic RAM to display addressing scheme is shown in Figure 39 to Figure 41. With no display shift, the characters represented by the codes in the first 40 RAM locations starting at address 00h are displayed in line 1. Fig 38. Icon to row/column mapping Table 38. Icon to ICON-RAM mapping table ICON-RAM address blink phase ICON-RAM bits 7 6 5 4 3 2 1 0 00heven ---icon 0 icon 1 icon 2 icon 3 icon 4 01heven ---icon 5 icon 6 icon 7 icon 8 icon 9 02heven ---icon 10 icon 11 icon 12 icon 13 icon 14 03heven ---icon 15 icon 16 icon 17 icon 18 icon 19 : : :::::::: 26heven ---icon 190 icon 191 icon 192 icon 193 icon 194 27heven ---icon 195 icon 196 icon 197 icon 198 icon 199 28hodd ---icon 0 icon 1 icon 2 icon 3 icon 4 29hodd ---icon 5 icon 6 icon 7 icon 8 icon 9 : : :::::::: 4Ch odd ---icon 180 icon 181 icon 182 icon 183 icon 184 4Dh odd ---icon 185 icon 186 icon 187 icon 188 icon 189 4Eh odd ---icon 190 icon 191 icon 192 icon 193 icon 194 4Fh odd ---icon 195 icon 196 icon 197 icon 198 icon 199 |
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