C8051F226DK Silicon Laboratories Inc, C8051F226DK Datasheet - Page 98

• Manufacturer Part Number: C8051F226DK
• Description: DEV KIT F220/221/226/230/231/236
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F226DK

• Contents: Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
• Processor To Be Evaluated: C8051F22x and C8051F23x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F226
• Silicon Family Name: C8051F2xx
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F220, 221, 226, 230, 231, 236
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1241

C8051F2xx
Table 13.1. Internal Oscillator Electrical Characteristics
–40 to +85 ×C unless otherwise specified.
98
Internal Oscillator Frequency
Internal Oscillator Current Consumption OSCICN.2 = 1
Internal Oscillator Temperature Stability
Internal Oscillator Power Supply (V
Stability
MSCLKE
Bit7:
Bits6–5: UNUSED. Read = 00b, Write = don't care
Bit4:
Bit3:
Bit2:
Bits1–0: IFCN1-0: Internal Oscillator Frequency Control Bits
R/W
Bit7
MSCLKE: Missing Clock Enable Bit
0: Missing Clock Detector Disabled
1: Missing Clock Detector Enabled; triggers a reset if a missing clock is detected
IFRDY: Internal Oscillator Frequency Ready Flag
0: Internal Oscillator Frequency not running at speed specified by the IFCN bits.
1: Internal Oscillator Frequency running at speed specified by the IFCN bits.
CLKSL: System Clock Source Select Bit
0: Uses Internal Oscillator as System Clock.
1: Uses External Oscillator as System Clock.
IOSCEN: Internal Oscillator Enable Bit
0: Internal Oscillator Disabled
1: Internal Oscillator Enabled
00: Internal Oscillator typical frequency is 2 MHz.
01: Internal Oscillator typical frequency is 4 MHz.
10: Internal Oscillator typical frequency is 8 MHz.
11: Internal Oscillator typical frequency is 16 MHz.
Parameter
R/W
Bit6
SFR Definition 13.1. OSCICN: Internal Oscillator Control
-
R/W
Bit5
-
DD
IFRDY
)
R/W
Bit4
OSCICN.[1:0] = 00
OSCICN.[1:0] = 01
OSCICN.[1:0] = 10
OSCICN.[1:0] = 11
Conditions
CLKSL
Rev. 1.6
R/W
Bit3
IOSCEN
R/W
Bit2
Min
1.5
3.0
6.0
12
—
—
—
IFCN1
R/W
Bit1
Typ
200
2.0
4.0
8.0
6.4
16
4
IFCN0
R/W
Bit0
Max
2.5
5.0
10
20
—
—
—
SFR Address:
Reset Value
00000100
0xB2
ppm/  C
Units
MHz
%/V
µA