Abov A96G166 User Manual

7. Clock generator A96G166/A96A166/A96S166 User’s manual
72
7.3 Register description
SCCR (System and Clock Control Register): 8AH
7
6
5
4
3
2
1
0
–
–
–
–
–
–
SCLK1
SCLK0
–
–
–
–
–
–
R/W
R/W
Initial value: 00H
SCLK [1:0]
System Clock Selection Bit
SCLK1
SCLK0
Description
0
0
Internal 32MHz RC OSC (f
HSI
) for system clock
0
1
External Main OSC (f
XIN
) for system clock
1
0
External Sub OSC (f
SUB
) for system clock
1
1
Internal 128kHz RC OSC (f
LSI)
for system clock
OSCCR (Oscillator Control Register): C8H
7
6
5
4
3
2
1
0
–
LSIE
IRCS2
IRCS1
IRCS0
HSIE
XCLKE
SCLKE
–
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: 28H
LSIE
Control the Operation of the Low Frequency (128kHz) internal RC Oscillator
at Stop mode
0
Disable operation of LSI OSC
1
Enable operation of LSI OSC
IRCS[2:0]
Internal RC Oscillator Post-divider Selection
IRCS2
IRCS1
IRCS0
Description
0
0
0
INT-RC/64 (0.5MHz)
0
0
1
INT-RC/32 (1MHz)
0
1
0
INT-RC/16 (2MHz)
0
1
1
INT-RC/8 (4MHz)
1
0
0
INT-RC/4 (8MHz)
1
0
1
INT-RC/2 (16MHz)
1
1
0
Test only
Other Values
reserved
HSIE
Control the Operation of the High Frequency (32MHz) Internal RC Oscillator
0
Enable operation of HSI OSC
1
Disable operation of HSI OSC
XCLKE
Control the Operation of the External Main Oscillator
0
Disable operation of X-TAL
1
Enable operation of X-TAL
SCLKE
Control the Operation of the External Sub Oscillator
0
Disable operation of SX-TAL
1
Enable operation of SX-TAL

Abov A96G166 Specifications

General

Brand	Abov
Model	A96G166
Category	Computer Hardware
Language	English