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A20 Datasheet(PDF) 21 Page - List of Unclassifed Manufacturers |
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A20 Datasheet(HTML) 21 Page - List of Unclassifed Manufacturers |
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21 / 35 page  A20 Datasheet (Revision 1.41) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 21 Pin Description Port Default Function IO Type Default IO State Default Pull-up/ down Multi2 Multi3 Multi4 Multi5 Multi6 Multi7 PB21 GPIO I/O I Z TWI2-SDA - - - - - PB22 GPIO I/O I Z UART0-TX IR1-TX - - - - PB23 GPIO I/O I Z UART0-RX IR1-RX - - - - PC0 GPIO I/O I Z NWE# SPI0-MOSI - - - - PC1 GPIO I/O I Z NALE SPI0-MISO - - - - PC2 GPIO I/O I Z NCLE SPI0-CLK - - - - PC3 GPIO I/O I Pull-Up NCE1 - - - - - PC4 GPIO I/O I Pull-Up NCE0 - - - - - PC5 GPIO I/O I Z NRE# - - - - - PC6 GPIO I/O I Pull-Up NRB0 SDC2-CMD - - - - PC7 GPIO I/O I Pull-Up NRB1 SDC2-CLK - - - - PC8 GPIO I/O I Z NDQ0 SDC2-D0 - - - - PC9 GPIO I/O I Z NDQ1 SDC2-D1 - - - - PC10 GPIO I/O I Z NDQ2 SDC2-D2 - - - - PC11 GPIO I/O I Z NDQ3 SDC2-D3 - - - - PC12 GPIO I/O I Z NDQ4 - - - - - PC13 GPIO I/O I Z NDQ5 - - - - - PC14 GPIO I/O I Z NDQ6 - - - - - PC15 GPIO I/O I Z NDQ7 - - - - - PC16 GPIO I/O I Pull-Down NWP - - - - - PC17 GPIO I/O I Pull-Up NCE2 - - - - - PC18 GPIO I/O I Pull-Up NCE3 - - - - - PC19 GPIO I/O I Z NCE4 SPI2-CS0 - - - - PC20 GPIO I/O I Z NCE5 SPI2-CLK - - - - PC21 GPIO I/O I Z NCE6 SPI2-MOSI - - - - PC22 GPIO I/O I Z NCE7 SPI2-MISO - - - - PC23 GPIO I/O I Pull-Up - SPI0-CS0 - - - - PC24 GPIO I/O I Z NDQS - - - - - PD0 GPIO I/O I Z LCD0-D0 LVDS0-VP0 - - - - PD1 GPIO I/O I Z LCD0-D1 LVDS0-VN0 - - - - PD2 GPIO I/O I Z LCD0-D2 LVDS0-VP1 - - - - PD3 GPIO I/O I Z LCD0-D3 LVDS0-VN1 - - - - PD4 GPIO I/O I Z LCD0-D4 LVDS0-VP2 - - - - PD5 GPIO I/O I Z LCD0-D5 LVDS0-VN2 - - - - PD6 GPIO I/O I Z LCD0-D6 LVDS0-VPC - - - - PD7 GPIO I/O I Z LCD0-D7 LVDS0-VNC - - - - PD8 GPIO I/O I Z LCD0-D8 LVDS0-VP3 - - - - PD9 GPIO I/O I Z LCD0-D9 LVDS0-VN3 - - - - PD10 GPIO I/O I Z LCD0-D10 LVDS1-VP0 - - - - PD11 GPIO I/O I Z LCD0-D11 LVDS1-VN0 - - - - PD12 GPIO I/O I Z LCD0-D12 LVDS1-VP1 - - - - PD13 GPIO I/O I Z LCD0-D13 LVDS1-VN1 - - - - PD14 GPIO I/O I Z LCD0-D14 LVDS1-VP2 - - - - PD15 GPIO I/O I Z LCD0-D15 LVDS1-VN2 - - - - PD16 GPIO I/O I Z LCD0-D16 LVDS1-VPC - - - - PD17 GPIO I/O I Z LCD0-D17 LVDS1-VNC - - - - PD18 GPIO I/O I Z LCD0-D18 LVDS1-VP3 - - - - PD19 GPIO I/O I Z LCD0-D19 LVDS1-VN3 - - - - PD20 GPIO I/O I Z LCD0-D20 CSI1-MCLK - - - - PD21 GPIO I/O I Z LCD0-D21 SMC-VPPEN - - - - PD22 GPIO I/O I Z LCD0-D22 SMC-VPPPP - - - - PD23 GPIO I/O I Z LCD0-D23 SMC-DET - - - - PD24 GPIO I/O I Z LCD0-CLK SMC-VCCEN - - - - PD25 GPIO I/O I Z LCD0-DE SMC-RST - - - - PD26 GPIO I/O I Z LCD0-HSYNC SMC-SLK - - - - PD27 GPIO I/O I Z LCD0-VSYNC SMC-SDA - - - - |
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