ST72621J2 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST72621J2
STMicroelectronics
'ST72621J2' PDF : 133 Pages View PDF
ST7262
Pin n°
Pin Name
Level
Port / Control
Main
Input
Output
Function
(after
Alternate Function
reset)
43 4 - - - - PD3
44 5 - - - - PD2
I/O CT
x
I/O CT
x
x Port D3
x Port D2
Note 1: Peripheral not present on all devices. Refer to “Device Summary” on page 1.
2.1 PCB LAYOUT RECOMMENDATION
In the case of DIP20 devices the user should lay-
out the PCB so that the DIP20 ST7262 device and
the USB connector are centered on the same axis
ensuring that the D- and D+ lines are of equal
length. Refer to Figure 6
Figure 6. Recommended PCB Layout for USB Interface with DIP20 package
1
2
3
4
5
6
7
8
9
USBDM 10
20
19
18
17
16
15
14
13
12
USBVCC
11
USBDP
Ground
USB Connector
1.5KOhm pull-up resistor
Ground
10/132
Share Link: 