Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Renesas Technology Europe | Subject: R8C/Tiny series
Edited by the Electronicstalk Editorial Team on 23 June 2008
Flash 16bit MCUs add
application-specific options
The R8C/Tiny microcontroller series now includes application-specific standard products for low-end motor control, lighting and small appliances.
Renesas Technology Europe has added a further batch of application specific standard products to its R8C/Tiny series of high performance 16bit microcontrollers In additional to over 260 general purpose devices, the R8C/Tiny series now has several ASSPs that offer solutions for low end motor control, lighting and small appliances
This article was originally published on Electronicstalk on 15 Nov 2005 at 8.00am (UK)
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Renesas Technology Europe has added 36 new models to its R8C/Tiny series of small low-pin-count high-performance 16bit microcontrollers with on-chip Flash memory.
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Four groups of devices have been launched: the R8C/2E-2F and the R8C/2K-2L.
The R8C/2E and /2F are 32-pin devices, offering 8 or 16Kbyte of Flash memory.
They feature a comprehensive range of analogue functions such as A/D and D/A convertors, dual-channel comparators, Serial UART I/O and both 8 and 16bit timers.
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According to Andreas Bier, Product Marketing Manager for Renesas' R8C family in Europe: "With an A/D conversion of around 3.3us per channel and a 200ns comparator, these devices are ideal for motor control, ballast, lighting control and any other application that requires a lot of analogue functions on one chip".
The R8C/2K and /2L group features have been optimised for low-end motor control designs that require a small package size and 8 or 16Kbyte of Flash.
The devices are also ideal for any applications that require a lot of pulsewidth modulation (PWM).
Two timers provide up to nine channels of 16bit PWM capability.
Featuring one 16bit timer RC with input capture/output compare function and a three-phase 16bit timer RD PWM output, providing modulation in complementary mode and automatic dead time insertions, the devices are ideally suited to driving brushless DC motors.
Both ASSP series have a range of fail-safe functions such as clock stop detection, and detect over current, special function register protection and a watchdog timer with independent on chip oscillator.
These ensure the end-system application is more reliable.
In addition to Flash memory, the R8C/2F and R8C/2L devices have two 1Kbyte blocks of data Flash.
These are suitable to store data like calibration parameters or for additional program capacity.
In addition to the well know R8C features, each device offers a serial interface, a dedicated LIN driver, embedded power on reset (POR) and low voltage detection circuits (LVD) and two internal high/low oscillators.
The high speed 40MHz on-chip oscillator has an accuracy of +/-3% over the whole range of operating temperature and can be calibrated by software down to 1%.
Both ASSPs devices are now available.
For development customers, they can continue to use the E8a emulator, which supports the on-chip debugging via the 1-pin interface (mode pin).
The 1-pin interface has the advantage that all I/O pins are available during debugging.
In addition it can be used as a Flash memory writer.
The R8C/2K-2L motor control device receives additional trace and real-time debugging support from the CPE compact emulator.
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