C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 15
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