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UM1574 数据表(PDF) 31 Page - STMicroelectronics |
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UM1574 数据表(HTML) 31 Page - STMicroelectronics |
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31 / 48 page  UM1574 Hardware and layout Doc ID 023645 Rev 1 31/48 4.3.5 STM8AL board LCD (16 segments, 4 commons) This LCD allows the STM8AL3L68T to display any information on four 14-segment digits and 4 BARs, using all COMs. (See the LCD segment mapping in Figure 18 and pin connections in Table 7). The two first left digits of the LCD display are not used in this application. Characteristics overview: ● 16 segments and 4 commons ● Drive method: multiplexed 1/4 duty, 1/3 bias ● Operating voltage: 3 V ● Operating temperature: 0 to 50°C ● Connector: 28-pin DIL 2.54 mm pitch Note: When the LCD is plugged in, all I/O ports listed in Table 7 are unavailable. To use one of these as I/O, you must remove the LCD Figure 18. LCD segment mapping |
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