C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 23
C8051F351
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F351-GM
Manufacturer:
SiliconL
Quantity:
5
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1.5.
The C8051F350/1/2/3 devices include two 8-bit current-mode Digital-to-Analog Converters (IDACs). The
maximum current output of the IDACs can be adjusted for four different current settings; 0.25 mA, 0.5 mA,
1 mA, and 2 mA. A flexible output update mechanism allows for seamless full-scale changes, and supports
jitter-free updates for waveform generation. IDAC updates can be performed on-demand, scheduled on a
Timer overflow, or synchronized with an external signal. Figure 1.8 shows a block diagram of the IDAC cir-
cuitry.
Two 8-bit Current-Mode DACs
8-bit Digital
8-bit Digital
Data Write
Timer 0
Timer 1
Timer 2
Timer 3
CNVSTR
Data Write
Timer 0
Timer 1
Timer 2
Timer 3
CNVSTR
Input
Input
Figure 1.8. IDAC Block Diagram
8
8
8
8
Rev. 0.4
IDA0
IDA1
C8051F350/1/2/3
Current
Current
Output
Output
23
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