HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 155

no-image

HD6475328-CP10

Manufacturer Part Number
HD6475328-CP10
Description
original Hitachi CMOS microcomputer unit (MCU)
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
(2) External Clock Input
Frequency
Duty factor
8.3 System Clock Divider
The system clock divider divides the crystal oscillator or external clock frequency (fosc) by 2 to
create the ø clock.
An E clock signal is created by dividing the ø clock by 8. The E clock is used for interfacing to E
clock based devices.
Figure 8-6 shows the phase relationship of the E clock to the ø clock.
ø
E
E
Double the system clock (ø) frequency
45% to 55%
Figure 8-6 Phase Relationship of ø Clock and E Clock
138

Related parts for HD6475328-CP10