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參數(shù)資料
| 型號： | MC13214R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, BGA71 |
| 封裝： | 9 X 9 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-71 |
| 文件頁數(shù)： | 30/70頁 |
| 文件大?。?/td> | 802K |
| 代理商： | MC13214R2 |
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MC13211/212/213/214 Technical Data, Rev. 0.0,
36
Freescale Semiconductor
5.7.4
Timer/PWM (TPM) Module Introduction
The HCS08 includes two independent Timer/PWM (TPM) modules which support traditional input
capture, output compare, or buffered edge-aligned pulse-width modulation (PWM) on each channel. A
control bit in each TPM configures all channels in that timer to operate as center-aligned PWM functions.
In each of these two TPMs, timing functions are based on a separate 16-bit counter with prescaler and
modulo features to control frequency and range (period between overflows) of the time reference. This
timing system is ideally suited for a wide range of control applications, and the center-aligned PWM
capability on the 3-channel TPM extends the field of applications to motor control in small appliances.
The use of the fixed system clock, XCLK, as the clock source for either of the TPM modules allows the
TPM prescaler to run using the oscillator rate divided by two (ICGERCLK/2). This clock source must be
selected only if the ICG is configured in either FBE or FEE mode. In FBE mode, this selection is redundant
because the BUSCLK frequency is the same as XCLK. In FEE mode, the proper conditions must be met
for XCLK to equal ICGERCLK/2. Selecting XCLK as the clock source with the ICG in either FEI or SCM
mode will result in the TPM being non-functional.
5.7.4.1
TPM Features
The timer system in the MC1321x family MCU includes a 1-channel TPM1 and a separate 4-channel
TPM2. Timer system features include:
A total of 5 channels:
— Each channel may be input capture, output compare, or buffered edge-aligned PWM
— Rising-edge, falling-edge, or any-edge input capture trigger
— Set, clear, or toggle output compare action
— Selectable polarity on PWM outputs
Each TPM may be configured for buffered, center-aligned pulse-width modulation (CPWM) on all
channels
Clock source to prescaler for each TPM is independently selectable as bus clock, fixed system
clock, or an external pin
Prescale taps for divide by 1, 2, 4, 8, 16, 32, 64, or 128
16-bit free-running or up/down (CPWM) count operation
16-bit modulus register to control counter range
Timer system enable
One interrupt per channel plus terminal count interrupt
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC1321X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述: |
| MC1321X_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ZigBee?- Compliant Platform - 2.4 GHz Low Power Transceiver for the IEEE? 802.15.4 Standard plus Microcontroller |
| MC13224V | 功能描述:射頻收發(fā)器 PIP 802.15.4 2.4G IND RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| MC13224V | 制造商:Freescale Semiconductor 功能描述:; Controller Family/Series:(ARM7); Memor |
| MC13224V_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard |
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