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產品概觀

The V850E/IA3 and V850E/IA4 are 32-bit single-chip microcontrollers that incorporates ROM, RAM, and various peripheral functions such as DMA controller, timer counter, watchdog timer, serial interfaces, an A/D converter, an A/D converter of first-order delta-sigma conversion method, ROM correction, and on-chip debugging for realizing high-capacity data processing and sophisticated real-time control.

主要特色：

Operating voltage: 4.0 to 5.5 V

  • Internal unit: VDD = 2.3 to 2.7 V
  • Oscillation block: CVDD = 2.3 to 2.7 V
  • External pin: EVDD = 4.0 to 5.5 V (4.5 to 5.5 V when using A/D converters 0 to 2)
  • A/D converter block: AVDD = 4.5 to 5.5 V

Max. frequency: 64 MHz
ROM capacities: 128 KB mask ROM and 256 KB flash memory
RAM capacities: 6 KB to 12 KB
Package: 80-pin plastic LQFP package(V850E/IA3), 100-pin plastic LQFP package(V850E/IA4)
Minimum instruction execution time: 15.6 ns (at internal 64 MHz operation)
General-purpose registers: 32 bits x 32
CPU features:

  • Signed multiplication (16 bits x 16 bits -> 32 bits or 32 bits x 32 bits -> 64 bits):1 to 2 clocks
  • Saturated operation instructions (with overflow/underflow detection function)
  • 32-bit shift instructions: 1 clock
  • Bit manipulation instructions
  • Load/store instructions with long/short format
  • Signed load instructions

ROM correction: 4 places can be corrected.
Interrupts/exceptions:

  • Non-maskable interrupts: 1 source (external: none, internal: 1)
  • Maskable interrupts: 60 sources (external: 8, internal: 52)
  • Software exceptions: 32 sources
  • Exception traps: 2 sources

DMA controller: 4 channels

  • Transfer unit: 8 bits/16 bits
  • Maximum transfer count: 65,536
  • Transfer type: 2-cycle
  • Transfer mode: Single/single step/block
  • Transfer target: On-chip peripheral I/O <-> internal RAM, on-chip peripheral I/O <-> on-chip peripheral I/O
  • Transfer request: On-chip peripheral I/O/software
  • Next address setting function

I/O ports: V850E/IA3 50 (Input-only ports: 6, I/O ports: 44) / V850E/IA4 64 (Input-only ports: 8, I/O ports: 56)
Timer/counter function:

  • 16-bit up/down counter/timer (TMENC) for 2-phase encoder input: 1 channel
  • 16-bit interval timer M (TMM): 1 channel
  • 16-bit timer/event counter Q (TMQ): 2 channels
  • 16-bit timer/event counter P (TMP): 4 channels
  • Motor control function (uses timer TMQ: 1 channel (TMQ0), TMP: 1 channel (TMP0))
  • 16-bit accuracy 6-phase PWM function with deadtime: 1 channel
  • High-impedance output control function
  • Timer tuning operation function
  • Arbitrary cycle setting function
  • Arbitrary deadtime setting function
  • Watchdog timer: 1 channel

Serial interfaces:

  • Asynchronous serial interface A (UARTA)
  • Clocked serial interface B (CSIB)
  • CSIB0: 1 channel
  • UARTA0: 1 channel
  • CSIB1/UARTA1: 1 channel

10-bit resolution A/D converters (A/D converters 0 and 1): 2 channels + 4 channels (2 units)

  • The two A/D converter 0 channels and three of the four A/D converter 1 channels are provided with an operational amplifier for input level amplification (gain = x2.5, x5) and a comparator for overvoltage detection (input voltage range = 0.1AVDD to 0.5AVDD).
  • A/D converter 2, using first-order delta-sigma conversion method: 6 channels

Clock generator:

  • 4 to 8 MHz resonator connectable (external clock input prohibited)
  • Multiplication function by PLL clock synthesizer (fixed to multiplication by eight, fXX = 32 to 64 MHz)
  • PLL operation specifiable by PLLSIN pin
  • CPU clock division function (fXX, fXX/2, fXX/4, fXX/8)

Power-save function: HALT/IDLE/STOP mode
Operation ambient temperature: TA = -40 to +85°C

主要應用：

  • [Commercial equipment] inverter air conditioners, washing machines, driers, refrigerators, etc.
  • [Industrial equipment] motor control and general-purpose inverters, etc.

Product Lineup:

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