HD6412350 Hitachi, HD6412350 Datasheet - Page 677

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

19.1
The H8S/2350 Series has a built-in clock pulse generator (CPG) that generates the system clock
(ø), the bus master clock, and internal clocks.
The clock pulse generator consists of an oscillator circuit, a duty adjustment circuit, a medium-
speed clock divider, and a bus master clock selection circuit.
19.1.1
Figure 19-1 shows a block diagram of the clock pulse generator.
EXTAL
XTAL
Overview
Block Diagram
Oscillator
Figure 19-1 Block Diagram of Clock Pulse Generator
Section 19 Clock Pulse Generator
adjustment
circuit
Duty
System clock to ø pin
Medium-
divider
speed
Internal clock
to supporting
modules
ø/2 to ø/32
Bus master
selection
SCKCR
circuit
clock
Bus master clock
SCK2 to SCK0
to CPU, DTC,
and DMAC
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