c8051t602 Silicon Laboratories, c8051t602 Datasheet - Page 46
c8051t602
Manufacturer Part Number
c8051t602
Description
Mixed Signal Otp Eprom Mcu Family
Manufacturer
Silicon Laboratories
Datasheet
1.C8051T602.pdf
(168 pages)
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C8051T600/1/2/3/4/5
Table 6.1. External Voltage Reference Circuit Electrical Characteristics
V
46
Input Voltage Range
Input Current
DD
Bits7–5: UNUSED. Read = 000b; Write = don’t care.
Bit4:
Bit3:
Bit2:
Bits1-0:
= 3.0 V; –40 to +85 °C unless otherwise specified.
R/W
Bit7
—
Parameter
REGOVR: Regulator Reference Override.
This bit “overrides” the REFSL bit, and allows the internal regulator to be used as a refer-
ence source.
0: The voltage reference source is selected by the REFSL bit.
1: The internal regulator is used as the voltage reference, regardless of the REFSL setting.
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference when REGOVR is set to ‘0’.
0: V
1: V
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
UNUSED. Read = 00b. Write = don’t care.
REF
DD
R/W
Bit6
—
used as voltage reference.
input pin used as voltage reference.
SFR Definition 6.1. REF0CN: Reference Control
R/W
Bit5
Sample Rate = 500 ksps; V
—
REGOVR
R/W
Bit4
Conditions
Rev. 0.5
REFSL
R/W
Bit3
REF
TEMPE
= 2.5 V
R/W
Bit2
Min
R/W
—
Bit1
0
—
Typ
12
—
R/W
Bit0
—
Max
V
—
DD
SFR Address:
00000000
Reset Value
0xD1
Units
µA
V
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