ST72631 datasheet(99/109 Pages) STMICROELECTRONICS

Part #	ST72631

Description	LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C

PDF	109 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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7.8 COMMUNICATION INTERFACE CHARACTERISTICS

The values given in the specifications of dedicated

functions are generally not applicable for chips.

Therefore, only the limits listed below are valid for

the product. T = 0... +70°C, VDD - VSS = 5 V unless

otherwise specified

7.8.1 USB - Universal Bus Interface

(Operating conditions T

A = 0 to +70°C, V

DD = 4.0 to 5.25V unless otherwise specified)

Note 1: RL is the load connected on the USB drivers.

Note 2: All the voltages are measured from the local ground potential.

USB DC Electrical Characteristics

Parameter

Symbol

Conditions

Min.

Max.

Unit

Input Levels:

Differential Input Sensitivity

VDI

I(D+, D-)

0.2

Differential Common Mode Range

VCM

Includes VDI range

0.8

2.5

Single Ended Receiver Threshold

VSE

0.8

2.0

Output Levels

Static Output Low

VOL

RL of 1.5K ohms to 3.6v

0.3

Static Output High

VOH

RL of 15K ohm to VSS

2.8

3.6

USBVCC: voltage level

USBV

VDD=5v

3.00

3.60

ST72631 Datasheet(PDF) 99 Page - STMicroelectronics

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