C8051F410-TB Silicon Laboratories Inc, C8051F410-TB Datasheet - Page 78
C8051F410-TB
Manufacturer Part Number
C8051F410-TB
Description
BOARD PROTOTYPING W/C8051F410
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F410-TB
Contents
Board
Processor To Be Evaluated
C8051F41x
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F410
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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C8051F410/1/2/3
Important Note About the V
the internal V
should be configured as an analog pin, and skipped by the Digital Crossbar. To configure P1.2 as an ana-
log pin, clear Bit 2 in register P1MDIN to ‘0’ and set Bit 2 in register P1 to '1'. To configure the Crossbar to
skip P1.2, set Bit 2 in register P1SKIP to ‘1’. Refer to
complete Port I/O configuration details. The TEMPE bit in register REF0CN enables/disables the tempera-
ture sensor. While disabled, the temperature sensor defaults to a high impedance state and any ADC0
measurements performed on the sensor result in meaningless data.
78
Bit7:
Bit6:
Bit5:
Bit4:
Bit3:
Bit2:
Bit1:
Bit0:
IDAMRG
R/W
Bit7
IDAMRG: IDAC Output Merge Select.
0: IDA1 Output is P0.1.
1: IDA1 Output is P0.0 (Merged with IDA0 Output).
GF. General Purpose Flag.
This bit is a general purpose flag for use under software control.
ZTCEN: Zero-TempCo Bias Enable Bit.
0: ZeroTC Bias Generator automatically enabled when needed.
1: ZeroTC Bias Generator forced on.
REFLV: Voltage Reference Output Level Select.
This bit selects the output voltage level for the internal voltage reference.
0: Internal voltage reference set to 1.5 V.
1: Internal voltage reference set to 2.2 V.
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference.
0: V
1: V
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
BIASE: Internal Analog Bias Generator Enable Bit.
0: Internal Analog Bias Generator automatically enabled when needed.
1: Internal Analog Bias Generator on.
REFBE: Internal Reference Buffer Enable Bit.
0: Internal Reference Buffer disabled.
1: Internal Reference Buffer enabled. Internal voltage reference driven on the V
REF
REF
DD
. When using either an external voltage reference or the internal reference circuitry, P1.2
R/W
GF
Bit6
used as voltage reference.
pin used as voltage reference.
SFR Definition 7.1. REF0CN: Reference Control
ZTCEN
R/W
Bit5
REF
Pin: Port pin P1.2 is used as the external V
REFLV
R/W
Bit4
Rev. 1.1
REFSL
R/W
Bit3
Section “18. Port Input/Output” on page 147
TEMPE
R/W
Bit2
BIASE
R/W
Bit1
REF
input and as an output for
REFBE
R/W
Bit0
REF
SFR Address:
00000000
Reset Value
pin.
0xD1
for
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