TOOLSTICK542PP Silicon Laboratories Inc, TOOLSTICK542PP Datasheet - Page 143
![PLATFORM PROG TOOLSTICK F542](/photos/9/33/93333/toolstick542pp_sml.jpg)
TOOLSTICK542PP
Manufacturer Part Number
TOOLSTICK542PP
Description
PLATFORM PROG TOOLSTICK F542
Manufacturer
Silicon Laboratories Inc
Series
ToolStickr
Type
Microcontroller Programmerr
Specifications of TOOLSTICK542PP
Contents
2 Boards and USB Connecting Cable
Processor To Be Evaluated
C8051F542
Interface Type
USB
Operating Supply Voltage
2.7 V to 3.6 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F542
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1718
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SFR Definition 17.6. OSCXCN: External Oscillator Control
SFR Address = 0x9F; SFR Page = 0x0F;
Name
Reset
Bit
6:4
2:0
Type
7
3
Bit
XOSCMD[2:0] External Oscillator Mode Select.
XFCN[2:0]
XTLVLD
XTLVLD
Unused
Name
R
7
0
Crystal Oscillator Valid Flag.
(Read only when XOSCMD = 11x.)
0: Crystal Oscillator is unused or not yet stable.
1: Crystal Oscillator is running and stable.
00x: External Oscillator circuit off.
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; Write =0b
External Oscillator Frequency Control Bits.
Set according to the desired frequency for Crystal or 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]
Crystal Mode
f 32 kHz
32 kHz f 84 kHz
84 kHz f 225 kHz
225 kHz f 590 kHz
590 kHz f 1.5 MHz 200 kHz f 400 kHz
1.5 MHz f 4 MHz
4 MHz f 10 MHz
10 MHz f 30 MHz
R/W
5
0
Rev. 1.1
4
0
RC Mode
f 25 kHz
25 kHz f 50 kHz
50 kHz f 100 kHz
100 kHz f 200 kHz
400 kHz f 800 kHz
800 kHz f 1.6 MHz
1.6 MHz f 3.2 MHz
Function
R
3
0
2
0
C Mode
K Factor = 0.87
K Factor = 2.6
K Factor = 7.7
K Factor = 22
K Factor = 65
K Factor = 180
K Factor = 664
K Factor = 1590
C8051F54x
XFCN[2:0]
R/W
1
0
0
0
143
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