ST72681 データシートの表示（PDF） - STMicroelectronics
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ST72681 Datasheet PDF : 32 Pages
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ST72681
Pin description
Table 5.
General Purpose I/O Ports / Mass Storage I/Os
Level
Pin name
Main function
(after reset)
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
I/O TT D8 NAND Address Latch Enable
22
NAND CLE
O TT D8 NAND Command Latch Enable
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 Chip Enable 1
18
NAND CE2
O TT D4 NAND Chip Enable 2
17
NAND CE3
O TT D4 NAND Chip Enable 3
16
NAND CE4
O TT D4 NAND Chip 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 (“0”: Read/Write; “1”: Read only)
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 memory access)
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