CP2400 SILABS [Silicon Laboratories], CP2400 Datasheet - Page 80

• Manufacturer Part Number: CP2400
• Description: 128/64 SEGMENT LCD DRIVER
• Manufacturer: SILABS [Silicon Laboratories]

CP2400/1/2/3
Internal Register Definition 11.5. RTC0XCN: SmaRTClock Oscillator Control
SmaRTClock Address = 0x05
80
Name
Reset
3:0
Bit
Type
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.
Read = 0000b; Write = Don’t Care.
XMODE
R/W
6
0
BIASX2
R/W
5
0
Rev. 1.0
CLKVLD
R
4
0
Function
R
3
0
R
2
0
R
1
0
R
0
0