Abov A96G166 User Manual

7. Clock generator A96G166/A96A166/A96S166 User’s manual
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7 Clock generator
As shown in Figure 26, a clock generator produces basic clock pulses which provide a system clock
for CPU and peripheral hardware.
It contains main/sub-frequency clock oscillator. The main/sub clock can operate easily by attaching a
crystal between the XIN/SXIN and XOUT/SXOUT pin, respectively. The main/sub clock can be also
obtained from the external oscillator. For this, it is necessary to place external clock signal into the
XIN/SXIN pin and open XOUT/SXOUT pin.
Default system clock is 16MHz INT-RC Oscillator. To stabilize the system internally, 128kHz LOW
INT-RC oscillator on POR is recommended.
Oscillators in the clock generator are introduced in the followings:
 Calibrated high internal RC oscillator (32MHz)
— HSI OSC/2 (16MHz, default system clock)
— HSI OSC/4 (8MHz)
— HSI OSC/8 (4MHz)
— HSI OSC/16 (2MHz)
— HSI OSC/32 (1MHz)
— HSI OSC/64 (0.5MHz)
 Main crystal oscillator (0.4~12MHz)
 Sub-crystal Oscillator (32.768 kHz)
 Internal LSI oscillator (128 kHz)

Abov A96G166 Specifications

General

Brand	Abov
Model	A96G166
Category	Computer Hardware
Language	English