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V850E/MA3

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Product Overview:

The V850E/MA3 is a 32-bit single-chip microcontroller that incorporates ROM, RAM, and various  peripheral functions such as memory controllers, a DMA controller, timers/counters, serial interfaces, an A/D converter, a D/A converter, ROM correction, and on-chip debugging for realizing high-capacity data processing and sophisticated real-time control.

Key Features:

Power supply voltage:

  • Internal: 2.3 to 2.7 V
  • External: 3.0 to 3.6 V

Max. frequency: 80 MHz
ROM capacities: 256 KB to 512 KB mask ROM and 512 KB flash memory
RAM capacities: 8/16/32 KB
Package: 144-pin plastic LQFP and 161-pin plastic FBGA
Number of instructions: 80
Minimum instruction execution time: 12.5 ns (at internal 80 MHz operation)
General-purpose registers: 32 bits x 32
CPU features:

  • Multiplication instruction (16 bits x 16 bits -> 32 bits): 1 to 2 clocks
  • Multiplication instruction (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

Memory space:

  • 256 MB of linear address space (common program/data use)
  • Chip select output function: 8 spaces
  • Memory block division function: 2, 64 MB/block

External bus interface:

  • Separate bus/multiplexed bus output selectable
  • 8-/16-bit data bus sizing function
  • External bus division function: Divided by 1, 2, 3, 4 (50 MHz max.)
  • Wait function
    * Programmable wait function
    * External wait function
  • Idle state function
  • Bus hold function
  • Address setup wait function
  • Endian control function

Memory access controller

  • DRAM controller (compatible with SDRAM)
  • Page ROM controller

Interrupts and exceptions:

  • Non-maskable interrupts: 2 sources (external: 1 source, internal: 1 source)
  • Maskable interrupts: 74/75 sources (external: 25 sources, internal: 49/50 sources)
  • Software exceptions: 32 sources
  • Exception trap: 2 sources

DMA controller: 4 channels

  • Transfer unit: 8 bits/16 bits
  • Maximum transfer count: 65,536
  • Transfer type: Flyby (1-cycle)/2-cycle
  • Transfer mode: Single/Single step/Block
  • Transfer target: Memory <-> memory, memory <-> I/O
  • Transfer request: External request/On-chip peripheral I/O/Software
  • DMA transfer terminate (terminal count) output signal
  • Next address setting function

I/O lines: Total: 112

Timer/counter function:

  • Up/down counter/general-purpose timer (TMENC) for 16-bit 2-phase encoder input: 1 channel
  • 16-bit interval timer D (TMD): 4 channels
  • 16-bit timer/event counter Q (TMQ): 1 channel
  • 16-bit timer/event counter P (TMP): 3 channels
  • Motor control function (Timers used: TMQ: 1 channel (TMQ0), TMP: 1 channel (TMP2)
  • 16-bit accuracy 6-phase PWM function with dead time: 1 channel
  • High-impedance output control function
  • Timer tuning operation function
  • Arbitrary cycle setting function
  • Arbitrary dead-time setting function
  • Watchdog timer: 1 channel

Serial interfaces:

  • Asynchronous serial interface A (UARTA)
  • Clocked serial interface B (CSIB)
  • I2C bus interface (I2C) (I2C bus versions (Y products) only)
  • CSIB/UARTA: 3 channels
  • UARTA/I2C: 1 channel

10-bit resolution A/D converter: 8 channels
D/A converter: 8-bit resolution: 2 channels
ROM correction: 4 places can be corrected.
On-chip debug function
Clock generator:

  • x1.25, 2.5, 5, 10 function via a PLL clock synthesizer (input clock: 4 to 8 MHz)
  • External clock input function (input clock: 5 to 25 MHz)

Power-save function: HALT/IDLE/software STOP mode
CMOS technology: Fully static circuits

 

Key Applications:

  • Printers, DVD players, inverters, servos, NC machine tools, PPC, robot control, digital home electronics, etc.

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