HD6417705F133V Datasheet, PDF (320/741 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

XTAL_USB
EXTAL_USB
CKIO
XTAL
EXTAL
MD2
MD1
MD0
Crystal
Oscillator
CPG oscillator circuit unit
PLL circuit 1
(×1, 2, 3, 4)
Divider 1
×1
×1/2
×1/3
×1/4
Crystal
Oscillator
PLL circuit 2
(×1, 2, 4)
USB clock
Internal clock
(Iφ)
Bus clock
(Bφ = CKIO)
Peripheral clock
(Pφ)
CPG control unit
Clock frequency
control circuit
Standby control circuit
FRQCR
UCLKCR
STBCR STBCR2 STBCR3
Bus interface
Peripheral bus
FRQCR: Frequency control register
STBCR: Standby control register
STBCR2: Standby control register 2
STBCR3: Standby control register 3
UCLKCR: USB clock control register
Figure 9.1 Block Diagram of Clock Pulse Generator
Rev. 2.00, 09/03, page 272 of 690