HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 515
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417320.pdf
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This LSI has a clock pulse generator which generates an internal clock (Iφ), a peripheral clock
(Pφ), and a bus clock (Bφ). The clock pulse generator consists of oscillators, PLL circuits, and a
divider.
11.1
The CPG has the following features:
• Four clock modes: Selection of four clock modes according to the frequency range to be used
• Three clocks generated independently: An internal clock for the CPU and cache (Iφ); a
• Frequency change function: Internal and peripheral clock frequencies can be changed
• Power-down mode control: The clock can be stopped for sleep mode and standby mode and
and direct connection of crystal resonator or external clock input.
peripheral clock (Pφ) for the on-chip supporting modules; and a bus clock (Bφ=CKIO) for the
external bus interface.
independently using the PLL circuit and divider circuit within the CPG. Frequencies are
changed by software using frequency control register (FRQCR) settings.
specific modules can be stopped using the module standby function.
Features
Section 11
Clock Pulse Generator (CPG)
Rev. 3.00 Jan. 18, 2008 Page 453 of 1458
Section 11
Clock Pulse Generator (CPG)
REJ09B0033-0300
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