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| 型號： | MC68332VFV20 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-Bit Modular Microcontroller |
| 中文描述： | 32-BIT, 20 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | QFP-144 |
| 文件頁數(shù)： | 55/88頁 |
| 文件大小： | 446K |
| 代理商： | MC68332VFV20 |
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MC68332
MC68332TS/D
MOTOROLA
55
lation parameter. From 1 to 255 period measurements can be made and summed with the previous
measurement(s) before the TPU interrupts the CPU, allowing instantaneous or average frequency mea-
surement, and the latest complete accumulation (over the programmed number of periods).
The pulse width (high-time portion) of an input signal can be measured (up to 24 bits) and added to a
previous measurement over a programmable number of periods (1 to 255). This provides an instanta-
neous or average pulse-width measurement capability, allowing the latest complete accumulation (over
the specified number of periods) to always be available in a parameter. By using the output compare
function in conjunction with PPWA, an output signal can be generated that is proportional to a specified
input signal. The ratio of the input and output frequency is programmable. One or more output signals
with different frequencies, yet proportional and synchronized to a single input signal, can be generated
on separate channels.
5.1.11 Quadrature Decode (QDEC)
The quadrature decode function uses two channels to decode a pair of out-of-phase signals in order to
present the CPU with directional information and a position value. It is particularly suitable for use with
slotted encoders employed in motor control. The function derives full resolution from the encoder sig-
nals and provides a 16-bit position counter with rollover/under indication via an interrupt.
The counter in parameter RAM is updated when a valid transition is detected on either one of the two
inputs. The counter is incremented or decremented depending on the lead/lag relationship of the two
signals at the time of servicing the transition. The user can read or write the counter at any time. The
counter is free running, overflowing to $0000 or underflowing to $FFFF depending on direction. The
QDEC function also provides a time stamp referenced to TCR1 for every valid signal edge and the abil-
ity for the host CPU to obtain the latest TCR1 value. This feature allows position interpolation by the
host CPU between counts at very slow count rates.
5.2 MC68332G Time Functions
The following paragraphs describe factory-programmed time functions implemented in the motion-con-
trol microcode ROM. A complete description of the functions is beyond the scope of this summary. Re-
fer to Using the TPU Function Library and TPU Emulation Mode(TPUPN00/D) for more information
about specific functions.
5.2.1 Table Stepper Motor (TSM)
The TSM function provides for acceleration and deceleration control of a stepper motor with a program-
mable number of step rates up to 58. TSM uses a table in PRAM, rather than an algorithm, to define
the stepper motor acceleration profile, allowing the user to fully define the profile. In addition, a slew rate
parameter allows fine control of the terminal running speed of the motor independent of the acceleration
table. The CPU need only write a desired position, and the TPU accelerates, slews, and decelerates
the motor to the required position. Full and half step support is provided for two-phase motors. In addi-
tion, a slew rate parameter allows fine control of the terminal running speed of the motor independent
of the acceleration table.
5.2.2 New Input Capture/Transition Counter (NITC)
Any channel of the TPU can capture the value of a specified TCR or any specified location in parameter
RAM upon the occurrence of each transition or specified number of transitions, and then generate an
interrupt request to notify the bus master. The times of the most recent two transitions are maintained
in parameter RAM. A channel can perform input captures continually, or a channel can detect a single
transition or specified number of transitions, ceasing channel activity until reinitialization. After each
transition or specified number of transitions, the channel can generate a link to other channels.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC68334 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Technical Supplement |
| MC68334GCEH16 | 功能描述:IC MCU 16MHZ 2K RAM 132-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M683xx 標準包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設備:- 輸入/輸出數(shù):32 程序存儲器容量:8KB（8K x 8） 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285 |
| MC68334GCEH16 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
| MC68334GCEH20 | 功能描述:IC MICROPROCESSOR 20MHZ 132-PQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M683xx 標準包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設備:- 輸入/輸出數(shù):32 程序存儲器容量:8KB（8K x 8） 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285 |
| MC68334GCFC16 | 功能描述:IC MCU 16MHZ 1K RAM 132-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M683xx 其它有關文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標準包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
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