15. Clock Pulse Generator (CPG)
Rev.1.00 Jan. 10, 2008 Page 734 of 1658
REJ09B0261-0100
Oscillator circuit
Control section
Crystal oscillator
circuit
Divider 1
×
1
PLL circuit 1
×
72
×
36
Clock frequency
control circuit
FRQCR0
FRQCR1
MSTPCR1
Clock control circuit
Bus interface
Peripheral bus
PLL circuit 2
×
1
CLKOUT
CLKOUTENB
Divider 2
×
1/2
×
1/4
×
1/6
×
1/8
×
1/12
×
1/16
×
1/18
×
1/24
×
1/32
×
1/36
×
1/48
Bus clock
(Bck)
CPU clock
(Ick)
SHwy clock
(SHck)
GA clock
(GAck)
DU clock
(DUck)
Peripheral clock
(Pck)
DDR clock
(DDRck)
RAM clock
(Uck)
XTAL
EXTAL
MODE 10
MODE 4
MODE 3
MODE 2
MODE 1
MODE 0
Legend:
FRQCR0: Frequency control register 0
FRQCR1: Frequency control register 1
MSTPCR1: Module standby control register 1
*
Note:
*
For details about MSTPCR1, see section 17, Power-Down Mode.
Figure 15.1 Block Diagram of the CPG
Summary of Contents for SH7781
Page 4: ...Rev 1 00 Jan 10 2008 Page iv of xxx REJ09B0261 0100 ...
Page 74: ...2 Programming Model Rev 1 00 Jan 10 2008 Page 44 of 1658 REJ09B0261 0100 ...
Page 272: ...8 Caches Rev 1 00 Jan 10 2008 Page 242 of 1658 REJ09B0261 0100 ...
Page 376: ...10 Interrupt Controller INTC Rev 1 00 Jan 10 2008 Page 346 of 1658 REJ09B0261 0100 ...
Page 694: ...13 PCI Controller PCIC Rev 1 00 Jan 10 2008 Page 664 of 1658 REJ09B0261 0100 ...
Page 762: ...14 Direct Memory Access Controller DMAC Rev 1 00 Jan 10 2008 Page 732 of 1658 REJ09B0261 0100 ...
Page 788: ...15 Clock Pulse Generator CPG Rev 1 00 Jan 10 2008 Page 758 of 1658 REJ09B0261 0100 ...
Page 828: ...17 Power Down Mode Rev 1 00 Jan 10 2008 Page 798 of 1658 REJ09B0261 0100 ...
Page 846: ...18 Timer Unit TMU Rev 1 00 Jan 10 2008 Page 816 of 1658 REJ09B0261 0100 ...
Page 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Page 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Page 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Page 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
Page 1688: ...Appendix Rev 1 00 Jan 10 2008 Page 1658 of 1658 REJ09B0261 0100 ...
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