AT83C5122_08 ATMEL [ATMEL Corporation], AT83C5122_08 Datasheet - Page 190

• Manufacturer Part Number: AT83C5122_08
• Description: C51 Microcontroller with USB and Smart Card Reader Interfaces
• Manufacturer: ATMEL [ATMEL Corporation]

USB Interface
190
AT83R5122, AT8xC5122/23
Figure 112. USB Interface
Symbol
V
V
V
V
V
V
REF
IHZ
OH
OL
IH
IL
Parameter
USB Reference Voltage
Input High Voltage for D+ and D- (driven)
Input High Voltage for D+ and D- (floating)
Input Low Voltage for D+ and D-
Output High Voltage for D+ and D-
Output Low Voltage for D+ and D-
Min
3.0
2.0
2.7
2.8
0.0
Typ
(5)
4202F–SCR–07/2008
Max
3.6
4.0
3.6
0.8
3.6
0.3
Unit
V
V
V
V
V
V