US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 126
![no-image](/images/manufacturer_photos/0/5/560/renesas_electronics_america_sml.jpg)
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 126 of 684
- Download datasheet (5Mb)
Section 4 Clock Pulse Generators
4.1.2
The basic clock signals that drive the CPU and on-chip peripheral modules are φ and φ
of the clock signals have names: φ is the system clock, φ
clock, and φ
The clock signals available for use by peripheral modules are φ/2, φ/4, φ/8, φ/16, φ/32, φ/64,
φ/128, φ/256, φ/512, φ/1024, φ/2048, φ/4096, φ/8192, φ
and φ
Rev. 8.00 Mar. 09, 2010 Page 104 of 658
REJ09B0042-0800
IRQAEC
OSC
OSC
W
X
X
/128. The clock requirements differ from one module to another.
1
2
1
2
System Clock and Subclock
Figure 4.2 Block Diagram of Clock Pulse Generators (H8/38124 Group)
W
is the watch clock.
Internal reset signal (other than watchdog timer or low-voltage detect
circuit reset)
D
Subclock
oscillator
oscillator
oscillator
On-chip
System
Latch
clock
C
Q
R
OSC
(f
φ
W
W
System clock pulse generator
Subclock pulse generator
)
(f
φ
OSC
OSC
)
(1/2, 1/4, 1/8)
Subclock
divider
System
divider
clock
(1/2)
φ
φ
φ
W
W
W
φ
OSC
/2
/4
/8
System
/2
divider
clock
W
SUB
, φ
W
is the subclock, φ
/2, φ
φ
φ
φ
φ
OSC
OSC
OSC
OSC
W
/16
/32
/64
/128
/4, φ
W
/8, φ
W
OSC
Prescaler W
Prescaler S
/16, φ
(13 bits)
(5 bits)
is the oscillator
φ
φ
SUB
W
/32, φ
SUB
. Four
φ /2
to
φ /8192
φ
φ
φ
φ
to
φ
W
W
W
W
W
W
/2
/4
/8
/128
/64,
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