0X5060: Clock Source Select Register (Osc_Src) - Epson S1C17001 Technical Manual

0x5060: Clock Source Select Register (OSC_SRC)

Register name Address Bit
Clock Source 0x5060 D7–1 –
Select Register (8 bits)
D0
(OSC_SRC)
D[7:1] Reserved
D0 CLKSRC: System Clock Source Select Bit
Selects the system clock source.
1 (R/W): OSC1
0 (R/W): OSC3 (default)
OSC3 is selected for normal (high-speed) operations. If the OSC3 clock is not required, OSC1 can be
set as the system clock and OSC3 stopped to reduce power consumption.
Note: If the system clock is switched from OSC3 to OSC1 immediately after starting OSC1 oscilla-
tion, the system clock will stop until the OSC1 clock starts up (for the OSC1 clock 256-cycle
period).
S1C17001 TECHNICAL MANUAL
Name Function
reserved
CLKSRC System clock source select
EPSON
7 OSCILLATOR CIRCUIT (OSC)
Setting Init. R/W
–
1 OSC1 0 OSC3
Remarks
– – 0 when being read.
0 R/W
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