ST72681

Pin description

5/32

2

Pin description

Figure 2 shows the TQFP48 package pinout, while Table 2, Table 3, Table 4, and Table 5

give the pin description.

The legend and abbreviations used in these tables are the following:

●

Type

–

I = input

–

O = output

–

S = supply

●

Input level: A = Dedicated analog input

●

In/Output level

●

Output level

–

D8 = 8mA drive

–

D4 = 4mA drive

–

D2 = 2mA drive

Figure 2.

48-pin TQFP package pinout

1.

Must remain NOT connected in the application.

44 43 42 41 40 39 38 37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

12

13 14 15 16 17 18 19 20 21 22

1

2

3

4

5

6

7

8

9

10

11

48 47 46 45

RREF

VSSC

VDDC

VDD3

USBDP

VSSBL

VDDA

OSCIN

OSCOUT

VSSA

NAND WP

READ ONLY

EEPROM SCL

VSS_2

VSS_3

NAND ALE/EEPROM SDA

LED1

LED2

RESET

VDD33_2

USBDM

VDDBL

ST72681