C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 126
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F351-GM
Manufacturer:
SiliconL
Quantity:
5
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C8051F350/1/2/3
126
Bit7:
Bit6:
Bits5-2:
Bits1-0:
Bit7:
Bits 6-0: OSCICL: Internal Oscillator Calibration Register.
IOSCEN
R/W
Bit7
Bit7
R
IOSCEN: Internal Oscillator Enable Bit.
0: Internal Oscillator Disabled.
1: Internal Oscillator Enabled.
IFRDY: Internal Oscillator Frequency Ready Flag.
0: Internal Oscillator is not running at programmed frequency.
1: Internal Oscillator is running at programmed frequency.
UNUSED. Read = 0000b, Write = don't care.
IFCN1-0: Internal Oscillator Frequency Control Bits.
00: SYSCLK derived from Internal Oscillator divided by 8.
01: SYSCLK derived from Internal Oscillator divided by 4.
10: SYSCLK derived from Internal Oscillator divided by 2.
11: SYSCLK derived from Internal Oscillator divided by 1.
UNUSED. Read = 0. Write = don’t care.
This register determines the internal oscillator period. On C8051F350/1/2/3 devices, the
reset value is factory calibrated to generate an internal oscillator frequency of 24.5 MHz.
Figure 17.3. OSCICL: Internal Oscillator Calibration Register
IFRDY
Figure 17.2. OSCICN: Internal Oscillator Control Register
R/W
Bit6
Bit6
R
R/W
Bit5
Bit5
R
-
R/W
Bit4
Bit4
R
-
Rev. 0.4
R/W
Bit3
Bit3
R
-
R/W
Bit2
Bit2
R
-
IFCN1
R/W
R/W
Bit1
Bit1
SFR Address:
SFR Address:
IFCN0
R/W
R/W
Bit0
Bit0
0xB2
0xB3
11000000
Reset Value
Reset Value
Variable
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