C8051T630DK Silicon Laboratories Inc, C8051T630DK Datasheet - Page 104
![KIT DEV FOR C8051T630 FAMILY](/photos/9/23/92351/c8051t630dk_sml.jpg)
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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- Download datasheet (2Mb)
C8051T630/1/2/3/4/5
SFR Definition 19.3. OSCICN: Internal H-F Oscillator Control
SFR Address = 0xB2
104
Name
Reset
3:2
1:0
Bit
Type
7
6
5
4
Bit
SUSPEND
IFCN[1:0]
STSYNC
IOSCEN
Unused
IFRDY
IOSCEN
Name
R/W
7
1
Internal H-F Oscillator Enable Bit.
0: Internal H-F Oscillator Disabled.
1: Internal H-F Oscillator Enabled.
Internal H-F Oscillator Frequency Ready Flag.
0: Internal H-F Oscillator is not running at programmed frequency.
1: Internal H-F Oscillator is running at programmed frequency.
Internal Oscillator Suspend Enable Bit.
Setting this bit to logic 1 places the internal oscillator in SUSPEND mode. The inter-
nal oscillator resumes operation when one of the SUSPEND mode awakening
events occurs.
Suspend Timer Synchronization Bit.
This bit is used to indicate when it is safe to read and write the registers associated
with the suspend wake-up timer. If a suspend wake-up source other than the timer
has brought the oscillator out of suspend mode, it may take up to three timer clocks
before the timer can be read or written. When STSYNC reads '1', reads and writes of
the timer register should not be performed. When STSYNC reads '0', it is safe to
read and write the timer registers.
Unused. Read = 00b; Write = Don’t Care
Internal H-F Oscillator Frequency Divider Control Bits.
00: SYSCLK derived from Internal H-F Oscillator divided by 8.
01: SYSCLK derived from Internal H-F Oscillator divided by 4.
10: SYSCLK derived from Internal H-F Oscillator divided by 2.
11: SYSCLK derived from Internal H-F Oscillator divided by 1.
IFRDY
R
6
1
SUSPEND
R/W
5
0
STSYNC
Rev. 1.0
R
4
0
Function
R
3
0
R
2
0
1
0
IFCN[1:0]
R/W
0
0
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