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AT89C5131A-RDTIL 数据表(PDF) 89 Page - ATMEL Corporation |
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AT89C5131A-RDTIL 数据表(HTML) 89 Page - ATMEL Corporation |
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89 / 185 page ![]() 89 AT89C5131A-L 4338E–USB–06/06 Programmable LED AT89C5131A-L have up to 4 programmable LED current sources, configured by the register LEDCON. Reset Value = 00h Table 71. LEDCON Register LEDCON (S:F1h) LED Control Register 76 54 32 1 0 LED3 LED2 LED1 LED0 Bit Number Bit Mnemonic Description 7:6 LED3 PortLED3Configuration 0 0Standard C51 Port 012 mA current source when P3.7 is low 104 mA current source when P3.7 is low 1110 mA current source when P3.7 is low 5:4 LED2 Port/LED2Configuration 00Standard C51 Port 012 mA current source when P3.6 is low 104 mA current source when P3.6 is low 1110 mA current source when P3.6 is low 3:2 LED1 Port/LED1Configuration 00Standard C51 Port 012 mA current source when P3.5 is low 104 mA current source when P3.5 is low 1110 mA current source when P3.5 is low 1:0 LED0 Port/LED0Configuration 00Standard C51 Port 012 mA current source when P3.3 is low 104 mA current source when P3.3 is low 1110 mA current source when P3.3 is low |
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