C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 78
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
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C8051F330/1, C8051F330D
78
Bits7-0:
Bits7-0:
ACC.7
R/W
R/W
B.7
Bit7
Bit7
ACC: Accumulator.
This register is the accumulator for arithmetic operations.
B: B Register.
This register serves as a second accumulator for certain arithmetic operations.
ACC.6
R/W
R/W
B.6
Bit6
Bit6
ACC.5
R/W
R/W
B.5
Bit5
Bit5
Figure 9.7. ACC: Accumulator
ACC.4
Figure 9.8. B: B Register
R/W
R/W
B.4
Bit4
Bit4
Rev. 1.2
ACC.3
R/W
R/W
B.3
Bit3
Bit3
ACC.2
R/W
R/W
B.2
Bit2
Bit2
ACC.1
R/W
R/W
B.1
Bit1
Bit1
(bit addressable)
(bit addressable)
ACC.0
R/W
R/W
B.0
Bit0
Bit0
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xE0
0xF0
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