c8051f410 Silicon Laboratories, c8051f410 Datasheet - Page 82

• Manufacturer Part Number: c8051f410
• Description: 2.0 V, 32/16 Kb Flash, Smartclock, 12-bit Adc
• Manufacturer: Silicon Laboratories

C8051F410/1/2/3
Table 8.1. Voltage Regulator Electrical Specifications
V
82
Input Voltage Range (V
Dropout Voltage (V
Output Voltage (V
Bias Current
Dropout Indicator Detection
Threshold
Output Voltage Tempco
VREG Settling Time
*Note: Actual Output Voltage (V
DD
Bit 7:
Bit 6:
Bit 5:
Bit 4:
Bits 3–1: UNUSED. Read = 0b. Write = don’t care.
Bit 0:
REGDIS Reserved
= 2.1 or 2.5 V; –40 to +85 °C unless otherwise specified. Typical values are given at 25 ºC.
R/W
Bit7
Parameter
REGDIS: Voltage Regulator Disable Bit.
This bit disables/enables the Voltage Regulator.
0: Voltage Regulator Enabled.
1: Voltage Regulator Disabled.
RESERVED. Read = 0b. Must write 0b.
UNUSED. Read = 0b. Write = don’t care.
REG0MD: Voltage Regulator Mode Select Bit.
This bit selects the Voltage Regulator output voltage.
0: Voltage Regulator output is 2.1 V.
1: Voltage Regulator output is 2.5 V (default).
DROPOUT: Voltage Regulator Dropout Indicator Bit.
0: Voltage Regulator is not in dropout.
1: Voltage Regulator is in or near dropout.
R/W
Bit6
DD
DO
)
)
SFR Definition 8.1. REG0CN: Regulator Control
REGIN
Bit5
—
)*
R
DD
) = Nominal Output Voltage (V
Output Current = 1 mA
REG0MD = ‘0’
REG0MD = ‘1’
REG0MD = ‘0’
REG0MD = ‘1’
50 mA load with V
and V
REG0MD
DD
R/W
Bit4
load capacitor of 4.8 µF
Conditions
Rev. 1.0
REGIN
Bit3
—
R
= 2.5 V
DD
) – Dropout Voltage (V
Bit2
—
R
(See Note)
2.35
Min
2.0
—
—
—
—
—
—
Bit1
—
R
DROPOUT 00010000
Typ
DO
600
250
SFR Address:
2.1
2.5
65
—
7
1
1
)(max load).
Bit0
R
Max
5.25
2.25
2.55
1.5
1.5
15
—
—
—
0xC9
Reset Value
mV/mA
µV/ºC
Units
mV
µA
µs
V
V