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基于Renesas公司的RX130系列32位MCU开发方案

来源: 中电网
2018-12-07
类别:工业控制
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文章创建人 拍明芯城

原标题:Renesas RX130系列32位MCU开发方案

  Renesas公司的RX130T系列是32MHz的32位RX mcu,内置了36路容型触摸传感器,工作频率32MHz,32MHz时的性能为150 DMIPS,集成了多达128KB闪存,12位ADCX,DAC,以及RTC,和IEC60730兼容,单电源1.8-V到 5.5-V工作,主要用在通用和消费类电子设备.本文介绍了RX130T系列主要特性和主要指标,框图, 布局图和元件分布图,框图和电路图.

  The RX130 Group integrates a built-in max. 36-channel capacitive touch sensor. The capacitive touch sensor uses an improved detection method compared to previous products and so has vastly improved noise immunity, sensitivity and water resistance. As a result, malfunctions have been reduced, and touch keys are now be able to be applied to a variety of materials like e.g. wood, other than the typical acrylic or glass: The RX130 Touch feature is an ideal fit to consumer electronics products that are used in wet environments such as in the kitchen or bath. The RX130 Group has a lot of built-in functional safety hardware, and can easily support the IEC/UL60730 safety standard for consumer electronics. The RX130 operates at a maximum voltage of up to 5.5 V. So it is suitable for applications such as home appliances (washing machine, IH cooking heater) with touch panel function.

  RX130系列主要特性:

  ■ 32-bit RX CPU core

  · Max. operating frequency: 32 MHz

  Capable of 50 DMIPS in operation at 32 MHz

  · Accumulator handles 64-bit results (for a single instruction) from 32-bit × 32-bit operations

  · Multiplication and division unit handles 32-bit × 32-bit operations (multiplication instructions take one CPU clock cycle)

  · Fast interrupt

  · CISC Harvard architecture with 5-stage pipeline

  · Variable-length instructions, ultra-compact code

  · On-chip debugging circuit

  ■ Low power design and architecture

  · Operation from a single 1.8-V to 5.5-V supply

  · Three low power consumption modes

  · Low power timer (LPT) that operates during the software standby state

  · Supply current

  High-speed operating mode: 96uA/MHz

  Supply current in software standby mode: 0.37uA

  · Recovery time from software standby mode: 4.8 us

  ■ On-chip flash memory for code, no wait states

  · Operation at 32 MHz, read cycle of 31.25 ns

  · No wait states for reading at full CPU speed

  · Programmable at 1.8 V

  · For instructions and operands

  ■ On-chip data flash memory

  · 8 Kbytes (1,000,000 program/erase cycles (typ.))

  · BGO (Background Operation)

  ■ On-chip SRAM, no wait states

  · 10- to 16-Kbyte size capacities

  ■ DTC

  · Four transfer modes

  · Transfer can be set for each interrupt source.

  ■ ELC

  · Module operation can be initiated by event signals without using interrupts.

  · Linked operation between modules is possible while the CPU is sleeping.

  ■ Reset and supply management

  · Eight types of reset, including the power-on reset (POR)

  · Low voltage detection (LVD) with voltage settings

  ■ Clock functions

  · External clock input frequency: Up to 20 MHz

  · Main clock oscillator frequency: 1 to 20 MHz

  · Sub clock oscillator frequency: 32.768 kHz

  · PLL circuit input: 4 MHz to 8 MHz

  · Low-speed on-chip oscillator: 4 MHz

  · High-speed on-chip oscillator: 32 MHz ± 1 %

  · IWDT-dedicated on-chip oscillator: 15 kHz

  · Generate a 32.768 kHz clock for the real-time clock

  · On-chip clock frequency accuracy measurement circuit (CAC)

  ■ Realtime clock

  · Adjustment functions (30 seconds, leap year, and error)

  · Calendar count mode or binary count mode selectable

  ■ Independent watchdog timer

  · 15-kHz on-chip oscillator produces a dedicated clock signal to drive IWDT operation.

  ■ Useful functions for IEC60730 compliance

  · Self-diagnostic and disconnection-detection assistance functions for the A/D converter, clock frequency accuracy measurement circuit, independent watchdog timer, RAM test assistance functions using the DOC, etc.

  ■ MPC

  · Input/output functions selectable from multiple pins

  ■ Up to 6 communication functions

  · SCI with many useful functions (up to 4 channels)

  Asynchronous mode (Fine adjustable baud rate: 0 to 255/255), clock synchronous mode, smart card interface mode

  · I2C bus interface: Transfer at up to 400 kbps, capable of SMBus operation (one channel)

  · RSPI (one channel): Transfer at up to 16 Mbps

  ■ Up to 12 extended-function timersMPC

  · 16-bit MTU: input capture, output compare, complementary PWM output, phase counting mode (six channels)

  · 8-bit TMR (four channels)

  · 16-bit compare-match timers (two channels)

  ■ 12-bit A/D converter

  · Capable of conversion within 1.4 μs

  · 17 channels

  · Sampling time can be set for each channel

  · Conversion results compare features

  · Self-diagnostic function and analog input disconnection detection assistance function

  · Double trigger (data duplication) function for motor control

  ■ D/A converter

  · Two channels

  ■ Capacitive touch sensing unit

  · Self-capacitance method: A single pin configures a single key, supporting up to 36 keys

  · Mutual capacitance method: Matrix configuration with 36pins, supporting up to 324 keys

  ■ Comparator B

  · Two channels

  ■ General I/O ports

  · 5-V tolerant, open drain, input pull-up, switching of driving capacity

  ■ Temperature sensor

  ■ Unique ID

  · 32-byte ID code for the MCU

  ■ Operating temperature range

  · -40 to +85°C

  · -40 to +105°C

  RX130系列应用:

  · General industrial and consumer equipment

  图1. RX130系列框图(1)

  图2. RX130系列框图(2)

  RX130入门板RSK

  This RSK is an evaluation tool for Renesas microcontrollers. This manual describes the technical details of the RSK hardware. The Quick Start Guide and Tutorial Manual provide details of the software installation and debugging environment.

  图3. RX130入门板RSK外形图

  RX130入门板RSK主要特性:

  • Renesas microcontroller programming

  • User code debugging

  • User circuitry such as switches, LEDs and a potentiometer

  • Sample application

  • Sample peripheral device initialisation code

  RX130入门板RSK指标:

  图4. RX130入门板RSK布局图

  图5. RX130入门板RSK顶层元件分布图

  图6. RX130入门板RSK底层元件分布图

  图7. RX130入门板RSK内部框图

  图8. RX130入门板RSK电路图(1)

  图9. RX130入门板RSK电路图(2)

  图10. RX130入门板RSK电路图(3)

  图11. RX130入门板RSK电路图(4)

  图12. RX130入门板RSK电路图(5)

  图13. RX130入门板RSK电路图(6)

  图14. RX130入门板RSK电路图(7)

责任编辑:HanFeng

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标签: Renesas MCU

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