C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 53
C8051F331
Manufacturer Part Number
C8051F331
Description
IC 8051 MCU 8K FLASH 20MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F331
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, 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
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
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F331
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F331-GM
Manufacturer:
SiliconL
Quantity:
1 630
Part Number:
C8051F331-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F331-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Bit 7:
Bits 6-4: IDA0CM[2:0]: IDA0 Update Source Select bits.
Bits 3-2: Unused. Read = 00b. Write = don’t care.
Bits 1:0: IDA0OMD[1:0]: IDA0 Output Mode Select bits.
Bits 7-0: IDA0 Data Word High-Order Bits.
IDA0EN
R/W
R/W
Bit7
Bit7
IDA0EN: IDA0 Enable.
0: IDA0 Disabled.
1: IDA0 Enabled.
000: DAC output updates on Timer 0 overflow.
001: DAC output updates on Timer 1 overflow.
010: DAC output updates on Timer 2 overflow.
011: DAC output updates on Timer 3 overflow.
100: DAC output updates on rising edge of CNVSTR.
101: DAC output updates on falling edge of CNVSTR.
110: DAC output updates on any edge of CNVSTR.
111: DAC output updates on write to IDA0H.
00: 0.5 mA full-scale output current.
01: 1.0 mA full-scale output current.
1x: 2.0 mA full-scale output current.
Bits 7-0 are the most-significant bits of the 10-bit IDA0 Data Word.
R/W
R/W
Bit6
Bit6
IDA0CM
Figure 6.4. IDA0H: IDA0 Data Word MSB Register
R/W
R/W
Bit5
Bit5
Figure 6.3. IDA0CN: IDA0 Control Register
R/W
R/W
Bit4
Bit4
C8051F330/1, C8051F330D
Rev. 1.2
R/W
Bit3
Bit3
R
-
R/W
Bit2
Bit2
R
-
R/W
R/W
Bit1
Bit1
IDA0OMD
R/W
R/W
Bit0
Bit0
SFR Address:
SFR Address:
Reset Value
01110010
00000000
Reset Value
0xB9
0x97
53