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參數(shù)資料
| 型號(hào)： | ST72T774S9T1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | TQFP-44 |
| 文件頁(yè)數(shù)： | 92/144頁(yè) |
| 文件大?。?/td> | 1280K |
| 代理商： | ST72T774S9T1 |
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4.3.4 Register Description
Each Timer is associated with three control and
status registers, and with six pairs of data registers
(16-bit values) relating to the two input captures,
the two output compares, the counter and the
alternate counter.
CONTROL REGISTER 1 (CR1)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 = ICIE
Input Capture Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is generated whenever the
ICF1 or ICF2 bit of the SR register is set.
Bit 6 = OCIE
Output Compare Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is generated whenever the
OCF1 or OCF2 bit of the SR register is set.
Bit 5 = TOIE
Timer Overflow Interrupt Enable.
0: Interrupt is inhibited.
1: A timer interrupt is enabled whenever the
TOF bit of the SR register is set.
Bit 4 = FOLV2
Forced Output Compare 2.
This bit is not cleared by software, only by a chip
reset.
0: No effect.
1:Forces the OLVL2 bit to be copied to the
OCMP2 pin.
Bit 3 = FOLV1
Forced Output Compare 1.
This bit is not cleared by software, only by a chip
reset.
0: No effect.
1: Forces OLVL1 to be copied to the OCMP1
pin.
Bit 2 = OLVL2
Output Level 2.
This bit is copied to the OCMP2 pin whenever a
successful comparison occurs with the OC2R
register and OCxE is set in the CR2 register. This
value is copied to the OCMP1 pin in One Pulse
Mode and Pulse Width Modulation mode.
Bit 1 = IEDG1
Input Edge 1.
This bit determines which type of level transition on
the ICAP1 pin will trigger the capture.
0: A falling edge triggers the capture.
1: A rising edge triggers the capture.
Bit 0 = OLVL1
Output Level 1.
The OLVL1 bit is copied to the OCMP1 pin
whenever a successful comparison occurs with
the OC1R register and the OC1E bit is set in the
CR2 register.
70
ICIE OCIE TOIE FOLV2 FOLV1 OLVL2 IEDG1 OLVL1
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