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AT89C5122D-RDRUM 数据表(PDF) 61 Page - ATMEL Corporation |
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AT89C5122D-RDRUM 数据表(HTML) 61 Page - ATMEL Corporation |
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61 / 208 page  61 AT83R5122, AT8xC5122/23 4202F–SCR–07/2008 Reset Value = 0000 0000b Reset Value = 0000 0000b Table 40. LED Port Control Register 0 - LEDCON0 (F1h) 7654 3210 LED3.1 LED3.0 LED2.1 LED2.0 LED1.1 LED1.0 LED0.1 LED0.0 Bit Number Bit Mnemonic Description 7 - 6 LED3 Port LED3 Configuration bits 00 LED control disabled 01 2 mA current source when P3.7 is configured as Quasi-bi-directional mode 10 4 mA current source when P3.7 is configured as Quasi-bi-directional mode 11 10 mA current source when P3.7 is configured as Quasi-bidirect. mode 5 - 4 LED2 Port LED2 Configuration bits 00 LED control disabled 01 2 mA current source when P3.6 is configured as Quasi-bi-directional mode 10 4 mA current source when P3.6 is configured as Quasi-bi-directional mode 11 10 mA current source when P3.6 is configured as Quasi-bidirect. mode 3 - 2 LED1 Port LED1 Configuration bits 00 LED control disabled 01 2 mA current source when P3.4 is configured as Quasi-bi-directional mode 10 4 mA current source when P3.4 is configured as Quasi-bi-directional mode 11 10 mA current source when P3.4 is configured as Quasi-bidirect. mode 1 - 0 LED0 Port LED0 Configuration bits 00 LED control disabled 01 2 mA current source when P3.2 is configured as Quasi-bi-directional mode 10 4 mA current source when P3.2 is configured as Quasi-bi-directional mode 11 10 mA current source when P3.2 is configured as Quasi-bidirect. mode Table 41. LED Port Control Register 1- LEDCON1 (F1h) only for AT8xC5122 7654 3210 - - LED6.1 LED6.0 LED5.1 LED5.0 LED4.1 LED4.0 Bit Number Bit Mnemonic Description 7 - 6 Reserved The value read from this bit is indeterminate. Do not set this bit. 5 - 4 LED6 Port LED6 Configuration bits 00 LED control disabled 01 2 mA current source when P4.5 is configured as Quasi-bi-directional mode 10 4 mA current source when P4.5 is configured as Quasi-bi-directional mode 11 10 mA current source when P4.5 is configured as Quasi-bidirect. mode 3 - 2 LED5 Port LED5 Configuration bits 00 LED control disabled 01 2 mA current source when P4.4 is configured as Quasi-bi-directional mode 10 4 mA current source when P4.4 is configured as Quasi-bi-directional mode 11 10 mA current source when P4.4 is configured as Quasi-bidirect. mode 1 - 0 LED4 Port LED0 Configuration bits 00 LED control disabled 01 2 mA current source when P4.3 is configured as Quasi-bi-directional mode 10 4 mA current source when P4.3 is configured as Quasi-bi-directional mode 11 10 mA current source when P4.3 is configured as Quasi-bidirect. mode |
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