200
CHAPTER 13 16-BIT I/O TIMER
■
Control Status Register of Free-run Timer (Upper)
Figure 13.3-4 Control Status Register of Free-run Timer (TCCSH0/1)
15
bit
14
13
12
11
10
9
8
ECKE
External clock enable
0
Internal time clock
1
external clock from FRCK
R/W
0 x x x x x x x
Initial value
R/W
:
Readable and
w
ritable
-
:
Undefined
:
Initial value
B
Address:
00352F
00353F
H
H
TCCSH0/TCCSH1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ECKE
Table 13.3-2 Control Status Register of Free-run Timer (Upper)
Bit name
Function
bit15
ECKE:
External clock enable
bit
•
This bit chose between internal time clock and external clock from FRCK
•
Writing "0": Internal clock selected.
•
Writing "1": External clock selected.
bit14 to
bit8
Undefined
−
Содержание MB90390 Series
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Страница 17: ...xiii APPENDIX D List of Interrupt Vectors 690 INDEX 695 ...
Страница 18: ...xiv ...
Страница 132: ...104 CHAPTER 5 CLOCKS ...
Страница 152: ...124 CHAPTER 6 CLOCK MODULATOR ...
Страница 210: ...182 CHAPTER 11 TIME BASE TIMER ...
Страница 218: ...190 CHAPTER 12 WATCHDOG TIMER ...
Страница 264: ...236 CHAPTER 14 16 BIT RELOAD TIMER WITH EVENT COUNT FUNCTION ...
Страница 274: ...246 CHAPTER 15 WATCH TIMER ...
Страница 306: ...278 CHAPTER 17 DTP EXTERNAL INTERRUPTS ...
Страница 338: ...310 CHAPTER 18 8 10 BIT A D CONVERTER ...
Страница 364: ...336 CHAPTER 19 UART0 UART1 ...
Страница 398: ...370 CHAPTER 20 UART2 UART3 Figure 20 5 2 ORE Set Timing Receive data RDRF ORE ...
Страница 432: ...404 CHAPTER 20 UART2 UART3 ...
Страница 482: ...454 CHAPTER 22 SERIAL I O ...
Страница 560: ...532 CHAPTER 24 STEPPING MOTOR CONTROLLER ...
Страница 582: ...554 CHAPTER 27 ROM MIRRORING MODULE ...
Страница 632: ...604 CHAPTER 29 EXAMPLES OF SERIAL PROGRAMMING CONNECTION ...
Страница 722: ...694 APPENDIX ...
Страница 723: ...695 INDEX The index follows on the next page This is listed in alphabetic order ...
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