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參數(shù)資料
| 型號(hào)： | ST52513F3 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, PDSO20 |
| 封裝： | ROHS COMPLIANT, SOP-20 |
| 文件頁(yè)數(shù)： | 111/136頁(yè) |
| 文件大小： | 2791K |
| 代理商： | ST52513F3 |
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When the Timers are in Reset status, or when the
device is reset, the TxOUT pins goes in threestate.
If these outputs are used to drive external devices,
it is recommended that the related pins be left in
the default configuration (Input threestate) or
change them in this configuration.
In PWM mode the PWM/Timers can only be Set or
Reset: Start/Stop signals do not affect the Timers.
TxRES resets the content of the 16-bit counter to
zero. It is generated by writing 0 in the
corresponding TxRES bit of the PWMx_CR1
Configuration Register and/or it can be driven by
the TRES pin if it is configured (only Timer0).
12.3.1 Simultaneous Start.
The PWM/Timers can be started simultaneously.
The T0SYNC and T1SYNC bits in PWM0_CR3
Configuration Registers mask the reset of each
timer. After enabling each single PWM/Timer, they
are started by putting off the mask with a single
writing in the PWM0_CR3 Register.
The timers start counting simultaneously, but the
output pulses are generated according to the
modality configured (square or pulse mode).
12.4 Timer Interrupts
The PWM/Timer can be programmed to generate
an Interrupt Request, both on the falling and the
rising of the TxOUT signal and when there’s a
STOP signal (external or internal).
By using the TxIES, TxIER and TxIEF bits of the
Configuration Registers PWMx_CR1, the interrupt
sources can be switched on/off. All the interrupt
sources may be activated at the same time:
sources can be distinguished by reading the
PWMx_STATUS Input Register.
The interrupt on the falling edge corresponds to
half of a counting period in Timer mode when the
waveform is set to Square Wave and to the end of
the Ton phase in PWM mode.
Note: when the PWM Counter is set to 0 or 65535,
the interrupt occurs at the end of each control
period.
In order to be active, the PWM/Timers interrupts
must be enabled by writing the Interrupt Mask
Register
(INT_MASK)
in
the
Configuration
Register Space, bits MSKT0 And MSKT1.
Note: Interrupt on TxOUT Rising Edge: the first
rising edge doesn’t give an interrupt.
12.5 PWM/Timer 0 Register Description
The following registers are related to the use of the
PWM/Timer 0.
12.5.1 PWM/Timer 0 Configuration Registers.
PWM/Timer 0 Control Register 1 (PWM0_CR1)
Configuration Register 9 (09h) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7: T0MOD PWM/Timer 0 Mode
0: Timer Mode
1: PWM Mode
Bit 6: T0IES Interrupt on Stop signal Enable
0: interrupt disabled
1: interrupt enabled
Bit 5: T0IEF Interrupt on T0OUT falling Enable
0: interrupt disabled
1: interrupt enabled
Bit 4: T0IER Interrupt on T0OUT rising Enable
0: interrupt disabled
1: interrupt enabled
Bit 3: STRMOD Start signal mode
0: start/stop on level
1: start/stop on edge
Bit 2: T0STRT PWM/Timer 0 Start bit
0: Timer 0 stopped
1: Timer 0 started
Bit 1: RESMOD Reset signal mode
0: set/reset on level
1: set/reset on edge
Bit 0: T0RES PWM/Timer 0 Reset bit
0: PWM/Timer 0 reset
1: PWM/Timer 0 set
70
T0MOD
T0IES
T0IEF
T0IER STRMOD T0STRT RESMOD T0RES
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST52513G2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT ICU WITH 10-BIT ADC. TWO TIMERS/PWM. I2C. SPI. SCI. UP TO 8K FLASH |
| ST52513G3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT ICU WITH 10-BIT ADC. TWO TIMERS/PWM. I2C. SPI. SCI. UP TO 8K FLASH |
| ST52513K2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT ICU WITH 10-BIT ADC. TWO TIMERS/PWM. I2C. SPI. SCI. UP TO 8K FLASH |
| ST52513K3 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT ICU WITH 10-BIT ADC. TWO TIMERS/PWM. I2C. SPI. SCI. UP TO 8K FLASH |
| ST52513Y2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-BIT ICU WITH 10-BIT ADC. TWO TIMERS/PWM. I2C. SPI. SCI. UP TO 8K FLASH |
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