参数资料
型号: MCF52234CAF60
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 60 MHz, RISC MICROCONTROLLER, PQFP80
封装: LQFP-80
文件页数: 5/48页
文件大小: 633K
代理商: MCF52234CAF60
MCF52235 Family Configurations
MCF52235 ColdFire Microcontroller Data Sheet, Rev. 0
Preliminary
Freescale Semiconductor
13
1.2.11 UARTs
The MCF52235 has three full-duplex UARTs that function independently. The three UARTs can be
clocked by the system bus clock, eliminating the need for an external clock source. On smaller packages,
the third UART is multiplexed with other digital I/O functions.
1.2.12 I2C Bus
The I2C bus is a two-wire, bidirectional serial bus that provides a simple, efficient method of data exchange
and minimizes the interconnection between devices. This bus is suitable for applications requiring
occasional communications over a short distance between many devices on a circuit board.
1.2.13 QSPI
The queued serial peripheral interface (QSPI) provides a synchronous serial peripheral interface with
queued transfer capability. It allows up to 16 transfers to be queued at once, minimizing the need for CPU
intervention between transfers.
1.2.14 ADC
The Fast ADC consists of an eight-channel input select multiplexer and two independent sample and hold
(S/H) circuits feeding separate 12-bit ADCs. The two separate converters store their results in accessible
buffers for further processing.
The ADC can be configured to perform a single scan and halt, perform a scan whenever triggered, or
perform a programmed scan sequence repeatedly until manually stopped.
The ADC can be configured for either sequential or simultaneous conversion. When configured for
sequential conversions, up to eight channels can be sampled and stored in any order specified by the
channel list register. Both ADCs may be required during a scan, depending on the inputs to be sampled.
During a simultaneous conversion, both S/H circuits are used to capture two different channels at the same
time. This configuration requires that a single channel may not be sampled by both S/H circuits
simultaneously.
Optional interrupts can be generated at the end of the scan sequence if a channel is out of range (measures
below the low threshold limit or above the high threshold limit set in the limit registers) or at several
different zero crossing conditions.
1.2.15 DMA Timers (DTIM0–DTIM3)
There are four independent, DMA transfer capable 32-bit timers (DTIM0, DTIM1, DTIM2, and DTIM3)
on the MCF52235. Each module incorporates a 32-bit timer with a separate register set for configuration
and control. The timers can be configured to operate from the system clock or from an external clock
source using one of the DTINx signals. If the system clock is selected, it can be divided by 16 or 1. The
input clock is further divided by a user-programmable 8-bit prescaler which clocks the actual timer counter
register (TCRn). Each of these timers can be configured for input capture or reference (output) compare
mode. Timer events may optionally cause interrupt requests or DMA transfers.
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相关代理商/技术参数
参数描述
MCF52234CAL60 功能描述:32位微控制器 - MCU KIRIN2E EPP RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MCF52234CVM60 功能描述:32位微控制器 - MCU KIRIN2E 121 MAPBGA EPP RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MCF52234CVM60J 功能描述:32位微控制器 - MCU MCU 32-Bit RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
MCF52235 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire Microcontroller
MCF52235_06 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microcontroller