Section 15 Clock Pulse Generator (CPG)
Rev.1.00 Dec. 13, 2005 Page 620 of 1286
REJ09B0158-0100
Bit Bit
Name
Initial
Value R/W Description
19
18
17
16
BFC3
BFC2
BFC1
BFC0
0
Undefined
Undefined
Undefined
R
R
R
R
Bus Clock (B
ck
) Frequency Division Ratio Setting
0011:
×
3
0100:
×
2
0101:
×
3/2
0110:
×
1
Other than above: Setting prohibited
The initial value of this field after power-on reset
depends on the mode pin setting (see table 15.2).
Writing is ignored.
15 to 12
0
Undefined
Undefined
Undefined
R Reserved
The initial value of this field after power-on reset
depends on the mode pins setting (see table 15.2).
Writing is ignored.
11 to 8
0011
R
Reserved
These bits are always read as 0011. The write value
should always be 0011.
7 to 4
0
Undefined
Undefined
Undefined
R Reserved
The initial value of this field after power-on reset
depends on the mode pins setting (see table 15.2).
Writing is ignored.
3
2
1
0
P1FC3
P1FC2
P1FC1
P1FC0
0
1
Undefined
Undefined
R
R
R
R
Indicates the division ratio of the external bus clock
frequency.
0101:
×
3/2
0110:
×
1
The initial value of this field after power-on reset
depends on the mode pin setting (see table 15.2).
Writing is ignored.
Note:
*
Bits IFC and CFC in FRQCR should be modified together.
Содержание SH7780 Series
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Страница 122: ...Section 3 Instruction Set Rev 1 00 Dec 13 2005 Page 72 of 1286 REJ09B0158 0100 ...
Страница 146: ...Section 4 Pipelining Rev 1 00 Dec 13 2005 Page 96 of 1286 REJ09B0158 0100 ...
Страница 196: ...Section 6 Floating Point Unit FPU Rev 1 00 Dec 13 2005 Page 146 of 1286 REJ09B0158 0100 ...
Страница 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Страница 450: ...Section 11 Local Bus State Controller LBSC Rev 1 00 Dec 13 2005 Page 400 of 1286 REJ09B0158 0100 ...
Страница 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Страница 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Страница 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Страница 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Страница 1004: ...Section 24 Multimedia Card Interface MMCIF Rev 1 00 Dec 13 2005 Page 954 of 1286 REJ09B0158 0100 ...
Страница 1032: ...Section 25 Audio Codec Interface HAC Rev 1 00 Dec 13 2005 Page 982 of 1286 REJ09B0158 0100 ...
Страница 1070: ...Section 26 Serial Sound Interface SSI Module Rev 1 00 Dec 13 2005 Page 1020 of 1286 REJ09B0158 0100 ...
Страница 1104: ...Section 27 NAND Flash Memory Controller FLCTL Rev 1 00 Dec 13 2005 Page 1054 of 1286 REJ09B0158 0100 ...
Страница 1150: ...Section 28 General Purpose I O GPIO Rev 1 00 Dec 13 2005 Page 1100 of 1286 REJ09B0158 0100 ...
Страница 1184: ...Section 29 User Break Controller UBC Rev 1 00 Dec 13 2005 Page 1134 of 1286 REJ09B0158 0100 ...
Страница 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
Страница 1328: ...Appendix Rev 1 00 Dec 13 2005 Page 1278 of 1286 REJ09B0158 0100 ...
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