E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 765

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

20.1
The H8S/2655 Group has a built-in clock pulse generator (CPG) that generates the system clock
( ), 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.
20.1.1
Figure 20.1 shows a block diagram of the clock pulse generator.
EXTAL
XTAL
Overview
Block Diagram
Oscillator
Figure 20.1 Block Diagram of Clock Pulse Generator
Section 20 Clock Pulse Generator
adjustment
circuit
Duty
System clock to
Medium-
divider
pin
speed
Rev. 5.00 Sep 14, 2006 page 735 of 1060
Internal clock
to supporting
modules
Section 20 Clock Pulse Generator
/2 to /32
Bus master
selection
SCKCR
circuit
clock
REJ09B0331-0500
Bus master clock
SCK2 to SCK0
to CPU, DTC,
and DMAC