C8051F311 Silicon Laboratories Inc, C8051F311 Datasheet - Page 20

• Manufacturer Part Number: C8051F311
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F31xr

Specifications of C8051F311

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F310/1/2/3/4/5/6/7
20
/RST/C2CK
VDD
GND
Analog/Digital
XTAL1
XTAL2
Power
C2D
Oscillator
Oscillator
External
Internal
Circuit
2%
POR
Debug HW
Brown-
Out
Figure 1.2. C8051F311 Block Diagram
System Clock
Reset
C
8
0
5
1
o
e
r
SFR Bus
256 byte
16kbyte
1K byte
FLASH
SRAM
SRAM
Rev. 1.7
VDD
0,1,2,3 /
10-bit
200ksps
ADC
SMBus
Port 0
Port 1
UART
Port 2
Port 3
Latch
Latch
Timer
Latch
Latch
PCA/
WDT
RTC
SPI
VREF
CP0
CP1
Temp
VDD
M
U
A
X
+
+
-
-
C
R
O
S
S
B
A
R
AIN0-AIN20
P
D
P
D
P
D
P
D
0
v
1
v
2
v
3
v
r
r
r
r
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
P3.0/C2D
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7