C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 134
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C8051F340-GQR
Manufacturer Part Number
C8051F340-GQR
Description
MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F340-GQR.pdf
(276 pages)
Specifications of C8051F340-GQR
Package
48TQFP
Device Core
8051
Family Name
C8051F34x
Maximum Speed
48 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
40
Interface Type
I2C/SMBus/SPI/UART/USB
On-chip Adc
17-chx10-bit
Number Of Timers
4
Ram Size
4.25 KB
Program Memory Size
64 KB
Program Memory Type
Flash
Operating Temperature
-40 to 85 °C
Available stocks
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Price
Company:
Part Number:
C8051F340-GQR
Manufacturer:
SILICON
Quantity:
3 870
Company:
Part Number:
C8051F340-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
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Part Number:
C8051F340-GQR
Manufacturer:
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Quantity:
20 000
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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
134
Bit7:
Bit6:
Bits5–2: OSCLF[3:0]: Internal L-F Oscillator Frequency Control bits.
Bits1–0: OSCLD[1:0]: Internal L-F Oscillator Divider Select.
OSCLEN OSCLRDY OSCLF3
R/W
Bit7
OSCLEN: Internal L-F Oscillator Enable.
0: Internal L-F Oscillator Disabled.
1: Internal L-F Oscillator Enabled.
OSCLRDY: Internal L-F Oscillator Ready Flag.
0: Internal L-F Oscillator frequency not stabilized.
1: Internal L-F Oscillator frequency stabilized.
Fine-tune control bits for the internal L-F Oscillator frequency. When set to 0000b, the L-F
oscillator operates at its fastest setting. When set to 1111b, the L-F oscillator operates at its
slowest setting.
00: Divide by 8 selected.
01: Divide by 4selected.
10: Divide by 2 selected.
11: Divide by 1 selected.
SFR Definition 14.3. OSCLCN: Internal L-F Oscillator Control
Bit6
R
R/W
Bit5
OSCLF2
Bit4
R
OSCLF1
Rev. 1.3
R/W
Bit3
OSCLF0
R/W
Bit2
OSCLD1 OSCLD0
R/W
Bit1
R/W
Bit0
SFR Address:
Reset Value
00vvvv00
0x86
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