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Section 5 Power-Down Modes
Rev. 6.00 Sep 12, 2006 page 92 of 526
REJ09B0326-0600
System Control Register 2 (SYSCR2)
Bit
7 6 5 4 3 2 1 0
NESEL
DTON
MSON SA1 SA0
Initial
value 1 1 1 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W
SYSCR2 is an 8-bit read/write register for power-down mode control.
Upon reset, SYSCR2 is initialized to H'E0.
Bits 7 to 5
Reserved Bits:
These bits are reserved; they are always read as 1, and cannot be
modified.
Bit 4
Noise Elimination Sampling Frequency Select (NESEL):
This bit selects the frequency
at which the watch clock signal (
φ
W
) generated by the subclock pulse generator is sampled, in
relation to the oscillator clock (
φ
OSC
) generated by the system clock pulse generator. When
φ
OSC
=
2 to 10 MHz, clear NESEL to 0.
Bit 4: NESEL
Description
0
Sampling rate is
φ
OSC
/16 (initial
value)
1
Sampling rate is
φ
OSC
/4
Содержание F-ZTAT H8/3642A Series
Страница 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Страница 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Страница 21: ...Rev 6 00 Sep 12 2006 page xix of xx Appendix E Product Code Lineup 522 Appendix F Package Dimensions 524 ...
Страница 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Страница 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Страница 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Страница 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Страница 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Страница 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Страница 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...