ST72681 STMicroelectronics, ST72681 Datasheet - Page 5

• Manufacturer Part Number: ST72681
• Description: USB 2.0 HIGH-SPEED 8-BIT MCU FLASH DRIVE CONTROLLER
• Manufacturer: STMicroelectronics

ST72681
2
Pin description
Figure 2
give the pin description.
The legend and abbreviations used in these tables are the following:
●
●
●
●
Figure 2.
1. Must remain NOT connected in the application.
Type
–
–
–
Input level: A = Dedicated analog input
In/Output level
–
–
Output level
–
–
–
shows the LQFP48 package pinout, while
I = input
O = output
S = supply
C
T
D8 = 8mA drive
D4 = 4mA drive
D2 = 2mA drive
T
T
= TTL 0.8V / 2 V with Schmitt trigger
48-pin LQFP package pinout
= CMOS 0.3V
OSCOUT
USBDM
USBDP
VDDBL
VSSBL
OSCIN
VDDC
VDDA
RREF
VSSC
VSSA
VDD3
DD
12
1
2
3
4
5
6
7
8
9
10
11
13 14 15 16 17 18 19 20 21 22
/0.7V
48 47 46 45
DD
ST72681
with input trigger
44 43 42 41 40 39 38 37
Table
23
24
36
35
34
33
32
31
30
29
28
27
26
25
2,
NAND WP
READ ONLY
EEPROM SCL
VSS_2
VDD33_2
NC
NC
RESET
LED2
LED1
NAND ALE/EEPROM SDA
VSS_3
Table
(1)
(1)
3,
Table
4, and
Pin description
Table 5
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