ST72P623 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72P623

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

STMicroelectronics 

ST7262xxx

Pin n°

Pin Name

Level

Port / Control

Main

Input

Output Function

(after

reset)

Alternate Function

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-

t(s out the PCB so that the DIP20 ST7262 device and

the USB connector are centered on the same axis

c ensuring that the D- and D+ lines are of equal

u length. Refer to Figure 6

rod Figure 6. Recommended PCB Layout for USB Interface with DIP20 package

te P 1

le 2

o 3

s 4

b 5

O 6

) - 7

t(s8

9

uc USBDM 10

20

19

18

17

16

15

14

13

12

USBVCC

11

USBDP

Obsolete Prod Ground

USB Connector

1.5KOhm pull-up resistor

Ground

10/139

Doc ID 6996 Rev 5

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