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參數(shù)資料
| 型號： | TMP86CH09NG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP32 |
| 封裝： | 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32 |
| 文件頁數(shù)： | 116/120頁 |
| 文件大小： | 1743K |
| 代理商： | TMP86CH09NG |
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Page 84
9. 8-Bit TimerCounter (TC3, TC4)
9.1 Configuration
TMP86FH09ANG
9.2 TimerCounter Control
The TimerCounter 3 is controlled by the TimerCounter 3 control register (TC3CR) and two 8-bit timer registers
(TTREG3, PWREG3).
Note 1: Do not change the timer register (TTREG3) setting while the timer is running.
Note 2: Do not change the timer register (PWREG3) setting in the operating mode except the 8-bit and 16-bit PWM modes while
the timer is running.
Note 1: fc: High-frequency clock [Hz] fs: Low-frequency clock[Hz]
Note 2: Do not change the TC3M, TC3CK and TFF3 settings while the timer is running.
Note 3: To stop the timer operation (TC3S= 1
→ 0), do not change the TC3M, TC3CK and TFF3 settings. To start the timer opera-
tion (TC3S= 0
→ 1), TC3M, TC3CK and TFF3 can be programmed.
Note 4: To use the TimerCounter in the 16-bit mode, set the operating mode by programming TC4CR<TC4M>, where TC3M must
be fixed to 011.
Note 5: To use the TimerCounter in the 16-bit mode, select the source clock by programming TC3CK. Set the timer start control
and timer F/F control by programming TC4CR<TC4S> and TC4CR<TFF4>, respectively.
Note 6: The operating clock settings are limited depending on the timer operating mode. For the detailed descriptions, see Table
9-1 and Table 9-2.
TimerCounter 3 Timer Register
TTREG3
(001CH)
R/W
7
6543
210
(Initial value: 1111 1111)
PWREG3
(001EH)
R/W
7
6543
210
(Initial value: 1111 1111)
TimerCounter 3 Control Register
TC3CR
(001AH)
7
6543
210
TFF3
TC3CK
TC3S
TC3M
(Initial value: 0000 0000)
TFF3
Time F/F3 control
0:
1:
Clear
Set
R/W
TC3CK
Operating clock selection [Hz]
NORMAL1/2, IDLE1/2 mode
SLOW1/2
SLEEP1/2
mode
R/W
DV7CK = 0
DV7CK = 1
000
fc/211
fs/23
001
fc/27
–
010
fc/25
–
011
fc/23
–
100
fs
101
fc/2
–
110
fc
fc (Note 8)
111
TC3 pin input
TC3S
TC3 start control
0:
1:
Operation stop and counter clear
Operation start
R/W
TC3M
TC3M operating mode select
000:
001:
010:
011:
1**:
8-bit timer/event counter mode
8-bit programmable divider output (PDO) mode
8-bit pulse width modulation (PWM) output mode
16-bit mode
(Each mode is selectable with TC4M.)
Reserved
R/W
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