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SH7014 датащи(PDF) 87 Page - Renesas Technology Corp

номер детали SH7014
подробное описание детали  32-Bit RISC Microcomputer
PDF  754 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 датащи(HTML) 87 Page - Renesas Technology Corp

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4. Clock Pulse Generator (CPG)
Rev.5.00 Sep. 27, 2007 Page 53 of 716
REJ09B0398-0500
Section 4 Clock Pulse Generator (CPG)
4.1
Overview
This LSI has an on-chip clock pulse generator (CPG) that generates the system clock (
φ), as well
as the internal clock (
φ/2 to φ/8192). The CPG consists of an oscillator, a PLL, and a prescaler.
4.1.1
Block Diagram
A block diagram of the clock pulse generator is shown in figure 4.1.
PLLCAP
CK
EXTAL
XTAL
MD2
MD3
Oscillator
PLL circuit
Clock mode
control circuitry
Prescaler
Within the LSI
φ
φ/2 to
φ/8192
Figure 4.1 Block Diagram of the Clock Pulse Generator



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