C8051F120-TB Silicon Laboratories Inc, C8051F120-TB Datasheet - Page 114
C8051F120-TB
Manufacturer Part Number
C8051F120-TB
Description
BOARD PROTOTYPING W/C8051F120
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F120-TB
Contents
Board
Processor To Be Evaluated
C8051F12x and C8051F13x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F120
Silicon Family Name
C8051F12x
Kit Contents
Board
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F120
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F120-TB
Manufacturer:
Silicon Labs
Quantity:
135
- Current page: 114 of 350
- Download datasheet (2Mb)
C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
114
Bits7–5: UNUSED. Read = 000b; Write = don’t care.
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
SFR Page:
SFR Address:
Figure 9.1. Voltage Reference Functional Block Diagram (C8051F120/2/4/6)
R/W
Bit7
-
SFR Definition 9.1. REF0CN: Reference Control (C8051F120/2/4/6)
AD0VRS: ADC0 Voltage Reference Select.
0: ADC0 voltage reference from VREF0 pin.
1: ADC0 voltage reference from DAC0 output.
AD2VRS: ADC2 Voltage Reference Select.
0: ADC2 voltage reference from VREF2 pin.
1: ADC2 voltage reference from AV+.
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor Off.
1: Internal Temperature Sensor On.
BIASE: ADC/DAC Bias Generator Enable Bit. (Must be ‘1’ if using ADC, DAC, or VREF).
0: Internal Bias Generator Off.
1: Internal Bias Generator On.
REFBE: Internal Reference Buffer Enable Bit.
0: Internal Reference Buffer Off.
1: Internal Reference Buffer On. Internal voltage reference is driven on the VREF pin.
0
0xD1
R/W
Bit6
Reference
-
External
Voltage
Circuit
DGND
VDD
Recommended Bypass
4.7F
R1
R/W
Capacitors
Bit5
+
-
0.1F
AD0VRS AD2VRS
VREFD
VREF2
VREF0
VREF
R/W
Bit4
Rev. 1.4
R/W
Bit3
REF0CN
DAC0
DAC1
Ref
REFBE
x2
AV+
TEMPE
R/W
Bit2
1
0
0
1
Band-Gap
BIASE
1.2V
EN
ADC2
Ref
ADC0
Ref
BIASE
R/W
Bit1
Bias to
ADCs,
DACs
REFBE
R/W
Bit0
00000000
Reset Value
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