C8051F331-GM Silicon Laboratories Inc, C8051F331-GM Datasheet - Page 18

• Manufacturer Part Number: C8051F331-GM
• Description: IC 8051 MCU 8K FLASH 20QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F33xr

Specifications of C8051F331-GM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 20-QFN
• 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
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: I2C/SMBus/SPI/UART
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F330DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• No. Of I/o's: 17
• Ram Memory Size: 768Byte
• Cpu Speed: 25MHz
• No. Of Timers: 4
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1451 - ADAPTER PROGRAM TOOLSTICK F330336-1264 - DEV KIT FOR C8051F330/F331
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1265

C8051F330/1/2/3/4/5
20
/RST/C2CK
/RST/C2CK
GND
VDD
GND
VDD
XTAL1
XTAL2
XTAL1
XTAL2
Analog/Digital
Analog/Digital
24.5 MHz (2%)
24.5 MHz (2%)
Power
Power
C2D
C2D
Oscillator
Oscillator
Oscillator
Oscillator
Internal
Internal
Internal
80 kHz
Internal
80 kHz
Oscillator
Oscillator
External
External
Circuit
Circuit
POR
POR
Brown-
Brown-
Out
Out
Debug HW
Debug HW
Figure 1.3. C8051F332 Block Diagram
Figure 1.4. C8051F333 Block Diagram
System Clock
System Clock
Reset
Reset
C
8
0
5
1
o
e
r
C
8
0
5
1
o
e
r
SFR Bus
SFR Bus
256 byte
512 byte
FLASH
256 byte
512 byte
SRAM
XRAM
FLASH
SRAM
XRAM
4 kB
4 kB
Rev. 1.7
Timer 0,
SMBus
3-Chnl
Port 0
UART
1, 2, 3
Port 1
Port 2
Latch
Latch
Latch
PCA/
WDT
Timer 0,
SMBus
SPI
1, 2, 3
3-Chnl
Port 0
UART
Port 1
Port 2
Latch
PCA/
Latch
Latch
WDT
VDD
SPI
VREF
10-bit 200
ksps ADC
VREF
B
A
R
X
CP0
X
B
A
R
Temp
CP0
A
M
U
X
+
-
+
-
AIN0-AIN15
P
D
P
D
0
v
1
v
r
r
C2D
D
D
P
0
v
P
1
v
r
r
C2D
P0.0/VREF
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVST
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