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CHAPTER 14 MULTI-FUNCTIONAL TIMER
14.4.2
Timer Data Register (TCDT)
The timer data register (TCDT) is used to read the count value of 16-bit free-run timer.
■
Timer Data Register (TCDT)
Figure 14.4-7 Timer Data Register
The timer data register is used to read the count value of the 16-bit free-run timer. The counter value is
cleared to "0000
H
" upon a reset. The timer value can be set by writing a value to this register. However,
ensure that the value is written while the operation is stopped (STOP = 1). Word access instruction to the
timer data register is recommended.
The 16-bit free-run timer is initialized upon the following factors:
•
Reset
•
Clear bit (SCLR) of control status register
•
A match between compare clear register and the timer counter value in up-count mode
(TCCSL:MODE=0)
15
14
13
12
11
10
9
8
R/W
0
Address: 00005D
H
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
T15
T14
T13
T12
T11
T10
T09
T08
Address: 00005C
H
7
6
5
4
3
2
1
0
Timer Data Register (Upper)
Timer Data Register (Lower)
TCDT
TCDT
Initial value
Read/write
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Initial value
Read/write
T07
T06
T05
T04
T03
T02
T01
T00
bit
bit
Содержание MB90460 Series
Страница 1: ...The following document contains information on Cypress products ...
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Страница 9: ...iv ...
Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
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