C8051F411EK Silicon Laboratories Inc, C8051F411EK Datasheet - Page 167
![KIT EVAL FOR C8051F411](/photos/9/25/92547/c8051f411ek_sml.jpg)
C8051F411EK
Manufacturer Part Number
C8051F411EK
Description
KIT EVAL FOR C8051F411
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F411EK
Contents
Evaluation Board, CD-ROM, USB Cable, Batteries and User Guide
Processor To Be Evaluated
C8051F41x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F411
Silicon Family Name
C8051F41x
Kit Contents
LCD Based Evaluation Board, USB Cable, Software CD And Quick-Start Guide
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Silicon Laboratories C8051F41x
For Use With
336-1315 - KIT REF DESIGN VOICE RECORD F41X
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1317
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Bit7:
Bit6:
Bit5:
Bits4–3: UNUSED. Read = 00b, Write = don't care.
Bits2–0: IFCN2–0: Internal Oscillator Frequency Control Bits.
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.
SUSPEND: Internal Oscillator Suspend Enable Bit.
Setting this bit to logic 1 places the internal oscillator in SUSPEND mode. The internal oscil-
lator resumes operation when one of the SUSPEND mode awakening events occur.
000: SYSCLK derived from Internal Oscillator divided by 128 (default).
001: SYSCLK derived from Internal Oscillator divided by 64.
010: SYSCLK derived from Internal Oscillator divided by 32.
011: SYSCLK derived from Internal Oscillator divided by 16.
100: SYSCLK derived from Internal Oscillator divided by 8.
101: SYSCLK derived from Internal Oscillator divided by 4.
110: SYSCLK derived from Internal Oscillator divided by 2.
111: SYSCLK derived from Internal Oscillator divided by 1.
UNUSED. Read = 0. Write = don’t care.
This register determines the internal oscillator period. On C8051F41x devices, the reset
value is factory calibrated to generate an internal oscillator frequency of 24.5 MHz.
SFR Definition 19.2. OSCICL: Internal Oscillator Calibration
IFRDY
SFR Definition 19.1. OSCICN: Internal Oscillator Control
R/W
Bit6
Bit6
R
SUSPEND
R/W
Bit5
R/W
Bit5
R/W
Bit4
Bit4
R
-
OSCICL
Rev. 1.1
R/W
Bit3
Bit3
R
-
IFCN2
R/W
Bit2
R/W
Bit2
C8051F410/1/2/3
IFCN1
R/W
Bit1
R/W
Bit1
SFR Address:
SFR Address:
IFCN0
R/W
Bit0
R/W
Bit0
0xB2
11000000
Reset Value
0xB3
Reset Value
Varies
167
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