C8051T630DK Silicon Laboratories Inc, C8051T630DK Datasheet - Page 54
![KIT DEV FOR C8051T630 FAMILY](/photos/9/23/92351/c8051t630dk_sml.jpg)
C8051T630DK
Manufacturer Part Number
C8051T630DK
Description
KIT DEV FOR C8051T630 FAMILY
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051T630DK
Contents
Board, daughter boards, power adapter, cables, documentation and software
Processor To Be Evaluated
C8051T63x
Interface Type
USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051T630, T631, T632, T633, T634 and T635 MCUs
For Use With
336-1465 - BOARD SOCKET DAUGHTER 20-QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1464
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- Download datasheet (2Mb)
C8051T630/1/2/3/4/5
SFR Definition 9.1. REF0CN: Reference Control
SFR Address = 0xD1
54
Name
Reset
6:5
Bit
Type
7
4
3
2
1
0
Bit
REGOVR Regulator Reference Override.
REFBGS Reference Buffer Gain Select.
Unused
TEMPE
REFBE
REFSL
BIASE
Name
REFBGS
R/W
7
0
This bit selects between 1x and 2x gain for the on-chip voltage reference buffer.
0: 2x Gain
1: 1x Gain
Unused. Read = 00b; Write = don’t care.
This bit “overrides” the REFSL bit, and allows the internal regulator to be used as a ref-
erence source.
0: The voltage reference source is selected by the REFSL bit.
1: The internal regulator is used as the voltage reference.
Voltage Reference Select.
This bit selects the ADCs voltage reference.
0: V
1: V
Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
Internal Analog Bias Generator Enable Bit.
0: Internal Bias Generator off.
1: Internal Bias Generator on.
On-chip Reference Buffer Enable Bit.
0: On-chip Reference Buffer off.
1: On-chip Reference Buffer on. Internal voltage reference driven on the V
REF
DD
R
used as voltage reference.
6
0
pin used as voltage reference.
R
5
0
REGOVR
R/W
Rev. 1.0
4
0
Function
REFSL
R/W
3
0
TEMPE
R/W
2
0
BIASE
R/W
1
0
REF
REFBE
pin.
R/W
0
0
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