CY8C34_1105 Datasheet, PDF (79/127 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC) DC to 50 MHz operation

PSoC^® 3: CY8C34 Family
Data Sheet
Table 11-13. USBIO DC Specifications (continued)
Parameter
Vihgpio
Vilgpio
Vohgpio
Volgpio
Vdi
Vcm
Vse
Rps2
Description
Input voltage high, GPIO mode
Input voltage low, GPIO mode
Output voltage high, GPIO mode
Output voltage low, GPIO mode
Differential input sensitivity
Differential input common mode
range
Single ended receiver threshold
PS/2 pull-up resistance
Rext
External USB series resistor
Conditions
V_DDD ≥ 3 V
V_DDD ≥ 3 V
I_OH = 4 mA, V_DDD ≥ 3 V
I_OL = 4 mA, V_DDD ≥ 3 V
|(D+) – (D–)|
In PS/2 mode, with PS/2 pull-up
enabled
In series with each USB pin
Zo
USB driver output impedance
Including Rext
C_IN
USB transceiver input capacitance
I_IL
Input leakage current (absolute
value)
25 °C, V_DDD = 3.0 V
Min
2
–
2.4
–
–
0.8
0.8
3
21.78
(–1%)
28
–
–
Typ
Max Units
–
–
V
–
0.8
V
–
–
V
–
0.3
V
–
0.2
V
–
2.5
V
–
2
V
–
7
kΩ
22
22.22
Ω
(+1%)
–
44
Ω
–
20
pF
–
2
nA
Figure 11-22. USBIO Output High Voltage and Current, GPIO
Mode
Figure 11-23. USBIO Output Low Voltage and Current, GPIO
Mode
Document Number: 001-53304 Rev. *L
Page 79 of 127