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ST72681/R21 数据表(PDF) 7 Page - STMicroelectronics

部件名 ST72681/R21
功能描述  USB 2.0 high-speed Flash drive controller
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72681/R21 数据表(HTML) 7 Page - STMicroelectronics

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ST72681
Pin description
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Table 5.
General Purpose I/O Ports / Mass Storage I/Os
Pin name
Level
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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