C8051F930-TB Silicon Laboratories Inc, C8051F930-TB Datasheet - Page 195
![BOARD TARGET/PROTO W/C8051F930](/photos/9/25/92560/c8051f930-tb_sml.jpg)
C8051F930-TB
Manufacturer Part Number
C8051F930-TB
Description
BOARD TARGET/PROTO W/C8051F930
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F930-TB
Contents
Board
Processor To Be Evaluated
C8051F930
Processor Series
C8051F9xx
Data Bus Width
8 bit
Interface Type
I2C, UART, SPI
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
0.9 V to 3.6 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F930
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1472
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SFR Definition 19.4. OSCXCN: External Oscillator Control
SFR Page = 0x0; SFR Address = 0xB1
Reset
Name XCLKVLD
Type
6:4
2:0
Bit
Bit
7
3
XCLKVLD External Oscillator Valid Flag.
XOSCMD External Oscillator Mode Bits.
Reserved Reserved.
Name
XFCN
R
7
0
Provides External Oscillator status and is valid at all times for all modes of operation
except External CMOS Clock Mode and External CMOS Clock Mode with divide by
2. In these modes, XCLKVLD always returns 0.
0: External Oscillator is unused or not yet stable.
1: External Oscillator is running and stable.
Configures the external oscillator circuit to the selected mode.
00x: External Oscillator circuit disabled.
010: External CMOS Clock Mode.
011: External CMOS Clock Mode with divide by 2 stage.
100: RC Oscillator Mode.
101: Capacitor Oscillator Mode.
110: Crystal Oscillator Mode.
111: Crystal Oscillator Mode with divide by 2 stage.
Read = 0b. Must Write 0b.
External Oscillator Frequency Control Bits.
Controls the external oscillator bias current.
000-111: See Table 19.1 on page 189 (Crystal Mode) or Table 19.2 on page 190 (RC
or C Mode) for recommended settings.
R
0
6
XOSCMD[2:0]
R/W
5
0
R/W
Rev. 1.1
4
0
C8051F93x-C8051F92x
Reserved
Function
R/W
3
0
R/W
2
0
XFCN[2:0]
R/W
1
0
R/W
0
0
195
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