C8051F930-TB Silicon Laboratories Inc, C8051F930-TB Datasheet - Page 209

• 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

Internal Register Definition 20.5. RTC0XCN: SmaRTClock Oscillator Control
SmaRTClock Address = 0x05
Reset
Name
Type
Bit
3:0
7
6
5
4
Bit
CLKVLD
XMODE
AGCEN
BIASX2
Unused
Name
AGCEN
R/W
7
0
SmaRTClock Oscillator Automatic Gain Control (AGC) Enable.
0: AGC disabled.
1: AGC enabled.
SmaRTClock Oscillator Mode.
Selects Crystal or Self Oscillate Mode.
0: Self-Oscillate Mode selected.
1: Crystal Mode selected.
SmaRTClock Oscillator Bias Double Enable.
Enables/disables the Bias Double feature.
0: Bias Double disabled.
1: Bias Double enabled.
SmaRTClock Oscillator Crystal Valid Indicator.
Indicates if oscillation amplitude is sufficient for maintaining oscillation.
0: Oscillation has not started or oscillation amplitude is too low to maintain oscillation.
1: Sufficient oscillation amplitude detected.
Unused.
Read = 0000b; Write = Don’t Care.
XMODE
R/W
0
6
BIASX2
R/W
5
0
CLKVLD
Rev. 1.1
R
4
0
C8051F93x-C8051F92x
Function
R
3
0
R
2
0
R
1
0
R
0
0
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