C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 18

• Manufacturer Part Number: C8051F351
• Description: IC 8051 MCU 8K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F351

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, 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
• Data Converters: A/D 8x24b; D/A 2x8b
• 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: -

C8051F350/1/2/3
18
/RST/C2CK
VREF+
VREF-
AGND
AIN0
AIN1
AIN2
AIN3
VDD
GND
AV+
XTAL1
XTAL2
Analog
Power
AIN4
AIN5
AIN6
AIN7
Digital Power
24.5MHz 2%
Oscillator
Internal
Oscillator
External
Circuit
C2D
M
A
U
X
POR
Buffer
Debug HW
Brown-
Out
Figure 1.4. C8051F353 Block Diagram
+
x2
+
Temp
Sensor
PGA
Offset
DAC
System
Clock
Reset
C
o
8
0
5
1
e
r
16-bit
ADC0
SFR Bus
256 byte
512 byte
FLASH
8kbyte
SRAM
XRAM
VREF
Rev. 0.4
Timer 0,
SPI Bus
SMBus
3-Chnl
UART
1, 2, 3
Port 0
Latch
Port 1
Latch
Port 2
Latch
PCA/
WDT
8-bit
IDAC0
8-bit
IDAC1
X
B
A
R
CP0A
CP0
AIN4-7
C2D
D
D
P
0
v
P
1
v
r
r
+
-
CP0+
CP0-
P0.0
P0.1
P0.2/XTAL1
P0.3/XTAL2
P0.4/TX
P0.5/RX
P0.6/CNVSTR
P0.7
P1.0/AIN4
P1.1/AIN5
P1.2/AIN6
P1.3/AIN7
P1.4/CP0A
P1.5/CP0
P1.6/IDAC0
P1.7/IDAC1
P2.0/C2D