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ST72681 Datasheet(PDF) 6 Page - STMicroelectronics |
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ST72681 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 12 page ST72681 6/12 PIN DESCRIPTION (Cont’d) Table 5. General Purpose IO Ports / Mass Storage IOs Pin Pin Name Level Main function (after reset) Alternate function 45 NAND D[0] I/O TT D4 NAND DATA [0] 44 NAND D[1] I/O TT D4 NAND DATA [1] 43 NAND D[2] I/O TT D4 NAND DATA [2] 42 NAND D[3] I/O TT D4 NAND DATA [3] 41 NAND D[4] I/O TT D4 NAND DATA [4] 40 NAND D[5] I/O TT D4 NAND DATA [5] 39 NAND D[6] I/O TT D4 NAND DATA [6] 38 NAND D[7] I/O TT D4 NAND DATA [7] 26 NAND ALE / EEPROM SDA I/O TT D8 NAND ADDRESS LATCH ENABLE EEPROM SERIAL DATA 22 NAND CLE O TT D8 NAND COMMAND LATCH ENA- BLE 21 NAND WE O TT D8 NAND WRITE ENABLE 20 NAND RE O TT D8 NAND READ ENABLE 19 NAND CE1 O TT D4 NAND ENABLE 1 18 NAND CE2 O TT D4 NAND ENABLE 2 17 NAND CE3 O TT D4 NAND ENABLE 3 16 NAND CE4 O TT D4 NAND ENABLE 4 37 NAND RnB I TT D2 NAND READY/BUSY 36 NAND WP O TT D2 NAND WRITE PROTECT 35 READ ONLY I TT D2 READ ONLY SWITCH 34 EEPROM SCL O TT D2 EEPROM SERIAL CLOCK 28 LED2 O TT D8 GREEN LED (USB ACCESS) 27 LED1 O TT D8 RED LED (NAND ACCESS) |
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