C8051F320-TB Silicon Laboratories Inc, C8051F320-TB Datasheet - Page 68
C8051F320-TB
Manufacturer Part Number
C8051F320-TB
Description
BOARD PROTOTYPING W/C8051F320
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F320-TB
Contents
Board
Processor To Be Evaluated
C8051F320/F321
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F320
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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C8051F320/1
Important Note: When USB is selected as a reset source, a system reset will be generated when the
VBUS signal matches the polarity selected by the VBPOL bit. See Section “10. Reset Sources” on page 99
for details on selecting USB as a reset source.
68
Table 8.1. Voltage Regulator Electrical Specifications
–40 to +85 °C unless otherwise specified.
Input Voltage Range
Output Voltage (V
Output Current
VBUS Detection Input Low Voltage
VBUS Detection Input High Voltage
Bias Current
Dropout Voltage (V
Notes:
1. Input range specified for regulation. When an external regulator is used, REGIN should be tied to
2. Output current is total regulator output, including any current required by the C8051F320/1.
3. The minimum input voltage is 2.70 V or VDD + V
From VBUS
Power Net
Parameter
2
To 3V
DD
DO
Figure 8.2. REG0 Configuration: USB Bus-Powered
1
)
2
)
3
REGIN
VBUS
VDD
Output Current = 1 to 100 mA
Normal Mode (REGMOD = 0)
Low Power Mode (REGMOD = 1)
C8051F320/1
Conditions
Rev. 1.4
DO
5V In
(max load), whichever is greater.
Voltage Regulator (REG0)
VBUS Sense
3V Out
Min
2.7
3.0
3.0
—
—
—
—
Typ
3.3
65
35
—
—
—
—
1
Power Net
Device
Max
5.25
100
111
3.6
1.0
61
—
—
V
DD
mV/mA
Units
.
mA
µA
V
V
V
V
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