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32-bit CISC Microcomputer for Automotive Control Applications
The 80MHz H8SX/1725F is the fastest device in the H8SX family and features high-speed internal flash memory with single-cycle access for maximum performance

The H8SX/1700 series expands the popular H8SX family. This new range of faster 16-bit microcomputers for automotive control applications has a maximum operating speed of 80MHz. The first model to be released is the H8SX/1725F, a member of the H8SX/1720 product group, which is aimed at applications such as airbags and dashboard panel control.

The H8SX/1725F microcomputer has 256Kbytes of high-speed internal flash memory for program storage that can be accessed in a single cycle, even when operating at 80MHz. The memory has a programming temperature range of -40 to +85 degrees C and a fast write cycle. The time required to program the entire 256Kbyte area is only 3 seconds, much less than the 10 seconds needed to program the same size memory of the previous-generation H8SX/1520 device.

The new chip has a 16Kbyte "data flash" memory area for data storage in addition to the on-chip flash used for program storage. The data flash memory is built with proprietary Renesas process technology and guarantees retention of data for 15 years and after 480,000 rewrite cycles.

Compact 16-bit Microcomputers with Internal Flash Memory
The 30 new models in seven groups in the R8C/Tiny series are optimized for power supply, motor control, and similar applications

left:32-pin LQFP right:20-pin LSSOP

Renesas has introduced 30 new products in seven groups in a major expansion of the R8C/Tiny series of compact, high-performance 16-bit microcontrollers (MCUs) with on-chip flash memory. The devices in the R8C/2E, 2F, 2G, 2H, 2J, 2K and 2L groups raise the total number of products in the low-pin-count product line to 268 devices in 26 groups, giving engineers more choices for optimizing their embedded system designs. Now they can select appropriate feature sets for reducing system cost by eliminating or minimizing external components.

Microcomputers in the R8C/2E, R8C/2F, R8C/2G, R8C/2K, and R8C/2L groups have a 32-pin LQFP package and are recommended for power supply, motor control, and similar applications. Devices in the R8C/2H and R8C/2J groups have a smaller 20-pin LSSOP package.

The new products include the first R8C/Tiny models to feature a D/A converter and comparator in a 32-pin package: the devices in the R8C/2E and R8C/2F groups. There are also devices with reduced functionality for cost-sensitive applications: the devices in the R8C/2G, R8C/2H, and R8C/2J groups.

The microcomputers in the R8C/2K and R8C/2L groups provide a three-channel 16-bit timer with an input-capture and output-compare function suitable for electric-motor control applications. They are ideal for controlling 3-phase AC motors because they have both a three-phase PWM output and a three-phase pulse input control.

Emulator for 8-bit to 32-bit CISC Microcomputers
The lower-priced, full-spec E100 Emulator offers advanced debugging capabilities in a compact unit

To help customers shorten their product design cycles, Renesas has developed a new, more affordable system development tool: the E100 Emulator. This full-spec emulator supports our latest 8-bit to 32-bit CISC microcomputer series, including our M16C and H8S families, and it costs less than half as much as the previous model.

The emulator consists of two parts: a main unit that is common to all Renesas microcomputer series and an MCU unit. The main unit is compact (73 x 184 x 132mm) and includes a debug function that supports all Renesas microcomputers. There are various MCU units, each designed for a particular microcomputer series and providing the specific functions necessary for supporting the devices in that series. To debug designs that use devices from different series, it's only necessary to switch to the appropriate MCU unit.


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