C8051T630DK Silicon Laboratories Inc, C8051T630DK Datasheet - Page 107
C8051T630DK
Manufacturer Part Number
C8051T630DK
Description
KIT DEV FOR C8051T630 FAMILY
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051T630DK
Contents
Board, daughter boards, power adapter, cables, documentation and software
Processor To Be Evaluated
C8051T63x
Interface Type
USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051T630, T631, T632, T633, T634 and T635 MCUs
For Use With
336-1465 - BOARD SOCKET DAUGHTER 20-QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1464
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SFR Definition 19.5. OSCXCN: External Oscillator Control
SFR Address = 0xB1
Name
Reset
Bit
6:4
2:0
Type
7
3
Bit
XOSCMD[2:0] External Oscillator Mode Select.
XFCN[2:0]
Unused
Unused
Name
R
7
0
Read = 0; Write = Don’t Care
00x: External Oscillator circuit off.
010: External CMOS Clock Mode.
011: External CMOS Clock Mode with divide by 2 stage.
100: RC Oscillator Mode with divide by 2 stage.
101: Capacitor Oscillator Mode with divide by 2 stage.
11x: Reserved.
Read = 0; Write = Don’t Care
External Oscillator Frequency Control Bits.
Set according to the desired frequency range for RC mode.
Set according to the desired K Factor for C mode.
XFCN
000
001
010
011
100
101
110
111
6
0
XOSCMD[2:0]
RC Mode
f 25 kHz
25 kHz f 50 kHz
50 kHz f 100 kHz
100 kHz f 200 kHz
200 kHz f 400 kHz
400 kHz f 800 kHz
800 kHz f 1.6 MHz
1.6 MHz f 3.2 MHz
R/W
5
0
Rev. 1.0
4
0
Function
R
3
0
C8051T630/1/2/3/4/5
C Mode
K Factor = 7.7
K Factor = 0.87
K Factor = 2.6
K Factor = 22
K Factor = 65
K Factor = 180
K Factor = 664
K Factor = 1590
2
0
XFCN[2:0]
R/W
1
0
0
0
107
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