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Section 17 Compare Match Timer (CMT)
Rev. 4.00 Sep. 14, 2005 Page 511 of 982
REJ09B0023-0400
17.2.2
Compare Match Timer Control/Status Register (CMCSR)
CMCSR is a 16-bit register that indicates compare match generation, enables interrupts or DMA
transfer requests, and selects the counter input clock.
CMCSR is initialized to H'0000 by a power on reset, but is not initialized in standby mode.
Bit Bit
Name
Initial
value R/W
Description
15 to 8
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
7 CMF 0 R/(W)
*
Compare Match Flag
Indicates whether or not the values of CMCNT and
CMCOR match.
0: CMCNT and CMCOR values do not match
[Clearing condition]
When 0 is written to CMF after reading CMF = 1
1: CMCNT and CMCOR values match
6
0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
5
4
CMR1
CMR0
0
0
R/W
R/W
Compare Match Request
These bits enable or disable DMA transfer request or
interrupt request generation when a compare match
occurs.
00: DMA transfer request/interrupt request disabled
01: DMA transfer request enabled
10: Interrupt request enabled
11: Reserved (Setting prohibited)
3, 2
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Page 1036: ...SH7641 Hardware Manual...