C8051F303-GSR Silicon Labs, C8051F303-GSR Datasheet - Page 50
C8051F303-GSR
Manufacturer Part Number
C8051F303-GSR
Description
8-bit Microcontrollers - MCU 8KB 14Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F301-GSR.pdf
(178 pages)
Specifications of C8051F303-GSR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051F300/1/2/3/4/5
Table 6.1. External Voltage Reference Circuit Electrical Characteristics
V
50
DD
Bits7–3: UNUSED. Read = 00000b; Write = don’t care.
Bit3:
Bit2:
Bit1:
Bit0:
Input Voltage Range
= 3.0 V; –40 to +85°C unless otherwise specified.
R/W
Bit7
—
Input Current
Parameter
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference.
0: VREF input pin used as voltage reference.
1: V
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
BIASE: Internal Analog Bias Generator Enable Bit. (Must be ‘1’ if using ADC).
0: Internal Bias Generator off.
1: Internal Bias Generator on.
UNUSED. Read = 0b. Write = don’t care.
DD
SFR Definition 6.1.
R/W
Bit6
—
used as voltage reference.
R/W
Bit5
—
Sample Rate = 500 ksps;
R/W
Bit4
—
VREF = 3.0 V
REF0CN: Reference Control Register
Conditions
REFSL
Rev. 2.9
R/W
Bit3
TEMPE
R/W
Bit2
Min
—
0
BIASE
R/W
Bit1
Typ
12
—
R/W
Bit0
—
Max
V
—
DD
SFR Address:
00000000
Reset Value
0xD1
Units
µA
V
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