Rev. 2.0, 11/00, page 231 of 1037
10.4
Duty Adjustment Circuit
When the oscillator frequency is 5 MHz or higher, the duty adjustment circuit adjusts the duty
cycle of the clock signal from the oscillator to generate the system clock (
φ
).
10.5
Medium-Speed Clock Divider
The medium-speed divider divides the system clock to generate
φ
/16,
φ
/32, and
φ
/64 clocks.
10.6
Bus Master Clock Selection Circuit
The bus master clock selection circuit selects the system clock (
φ
) or one of the medium-speed
clocks (
φ
/16,
φ
/32 or
φ
/64) to be supplied to the bus master (CPU), according to the settings of
bits SCK2 to SCK0 in SBYCR.
Содержание Hitachi H8S/2191
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