C8051F330 Silicon Laboratories Inc, C8051F330 Datasheet - Page 56
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C8051F330
Manufacturer Part Number
C8051F330
Description
IC 8051 MCU 8K FLASH 20MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F330
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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C8051F330/1, C8051F330D
56
Bits7-4:
Bit3:
Bit2:
Bit1:
Bit0:
Bit7
R
-
UNUSED. Read = 0000b; Write = don’t care.
REFSL: Voltage Reference Select.
This bit selects the source for the internal voltage reference.
0: VREF pin used as voltage reference.
1:
TEMPE: Temperature Sensor Enable Bit.
0: Internal Temperature Sensor off.
1: Internal Temperature Sensor on.
BIASE: Internal Analog Bias Generator Enable Bit.
0: Internal Bias Generator off.
1: Internal 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 VREF pin.
V
DD used as voltage reference.
Bit6
R
-
Figure 7.2. REF0CN: Reference Control Register
Bit5
R
-
Bit4
R
-
Rev. 1.2
REFSL
R/W
Bit3
TEMPE
R/W
Bit2
BIASE
R/W
Bit1
REFBE
R/W
Bit0
SFR Address:
00000000
Reset Value
0xD1