C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 15
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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
/RST/C2CK
/RST/C2CK
VDD
GND
VDD
GND
XTAL1
XTAL2
XTAL1
XTAL2
Analog/Digital
Analog/Digital
Power
24.5MHz (2%)
C2D
Power
24.5MHz (2%)
C2D
Oscillator
Oscillator
Internal
Internal
80 kHz
Oscillator
Oscillator
Oscillator
Internal
Internal
80 kHz
External
Oscillator
Circuit
External
POR
Circuit
POR
Brown-
Figure 1.1. C8051F330 and C8051F330D Block Diagram
Brown-
Out
Out
Debug HW
Debug HW
System Clock
System Clock
Figure 1.2. C8051F331 Block Diagram
Reset
Reset
C
8
0
5
1
o
e
C
r
8
0
5
1
o
e
r
SFR Bus
SFR Bus
256 byte
512 byte
256 byte
512 byte
FLASH
FLASH
8kbyte
SRAM
XRAM
8kbyte
SRAM
XRAM
C8051F330/1, C8051F330D
Rev. 1.2
Timer 0,
SMBus
Timer 0,
3-Chnl
Port 0
UART
1, 2, 3
Port 1
Port 2
SMBus
Latch
Latch
Latch
3-Chnl
PCA/
WDT
Port 0
UART
1, 2, 3
Port 1
Port 2
Latch
Latch
Latch
PCA/
WDT
SPI
SPI
VDD
VREF
10-bit
200ksps
ADC
VREF
X
B
A
R
CP0
X
B
A
R
CP0
Temp
A
M
U
X
+
-
+
-
AIN0-AIN15
D
D
P
0
v
P
1
v
r
r
10-bit
DAC
D
D
C2D
P
0
v
P
1
v
r
r
C2D
P0.0/VREF
P0.1/IDA0
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0/C2D
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0/C2D
15