Hitachi, Ltd.(NYSE:HIT) has extended the H8S series
lineup with the development of the H8S/2623F F-ZTATTM*1
single-chip microcontroller which employs a 0.35
micrometers process and features large 256-kbyte on-chip flash
memory and a controller area network (CAN) interface. Sample
shipments will begin in December 1998.
The current trend in the field of control for factory
automation (FA) and other industrial equipment and in- vehicle
equipment is away from networks using conventional general-purpose
serial communication and toward controller area network (CAN),
which feature high speed and high reliability. This is producing
growing demand for microcontrollers equipped with an on-chip CAN
interface. The CAN interface has become a standard feature of
in-vehicle LANs in Europe, and is gradually becoming standardized
in Japan and America.
At the same time, there is a demand for field-programmability
that enables easy reprogramming or adjustment of microcontroller
programs in all stages from development through trial production,
production startup, and mass production, in order to provide for
increased program size, shorter product development time,
improvements in product specifications, and adjustment of control
data.
Having already developed products with on-chip flash memory
within the H8S series of high-performance, low-power-consumption
microcontrollers, Hitachi has now completed commercial development
of the H8S/2623F, featuring a CAN interface for the first time in
the H8S series, plus 256-kbyte on- chip flash memory, to meet an
even wider range of user needs.
The H8S/2623F employs a 0.35 micrometers process, features an
H8S/2600 CPU core-in the top performance class for a 16-bit
microcontroller-and is the first model in the H8S series to
include an on-chip Hitachi controller area network (HCAN),
offering full CAN support and a 16-message buffer, as a CAN
interface. Complying with the Bosch CAN Ver. 2.0B active
specification, the HCAN provides fast and highly reliable
communication. The H8S/2623F also includes 256-kbyte on-chip flash
memory. In addition to total erasure, the flash memory can be
erased and programmed in 12 large and small block units to provide
for adjustment data programming when the system is shipped. 12 kB
on-chip RAM is also provided, and a x4 PLL (phase-locked loop)
oscillation circuit is used as the oscillator.
Reflecting continuing pursuit of low power consumption,the
power supply voltage for the CPU and other internal logic
circuitry is 3.0 to 3.6 V, while the power supply voltage of the
peripheral I/O pins is 4.5 to 5.5 V, enabling existing peripheral
circuits to be used, and so minimizing the amount of system
reconstruction required when using the H8S/2623F.
Other peripheral functions include a data transfer controller
(DTC)*2 capable of interrupt-initiated DMA transfer,
six 16-bit timer channels, a watchdog timer channel, and a
16-channel 10-bit A/D converter. The H8S/2623F employs a 0.35
micrometers CMOS process and is housed in a 100-pin QFP (14 mm x
14 mm) package.Future plans include larger memory for the
H8S/2623F and the development of a range of models with an on-chip
CAN interface to meet a variety of automotive needs including body
and safety control systems.
Notes:
|
1.F-ZTAT(Flexible Zero Turn-Around Time) is a
trademark of Hitachi, Ltd.
2.DTC (data transfer controller): The DTC is
started by an interrupt, and can perform data transfer
instead of the CPU. Transfer information is located in
on-chip RAM, enabling a greater number of channels to be
used.
|
|
Typical Applications
- Industrial: FA, NC
- Automotive: Dashboard, power steering
Sample prices in Japan
Product Name
|
|
Package
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Sample Price (Yen)
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H8S/2623F
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HD64F2623FA
|
QFP-100
|
2,200
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Features
1. First H8S series model with on-chip CAN interface
- On-chip Hitachi controller area network (HCAN: full CAN
support, 16-message buffer)
compliant with Bosch CAN Ver. 2.0B active specification
2. 0.35 micrometers process, large on-chip memory
- 256-kbyte ROM and 12-kbyte RAM on-chip: in the industry's
top rank for a 16-bit microcontroller
- Programming and erasing with a single power supply
3. Low power consumption through use of 0.35 micrometers
process
- While the core power supply voltage is 3.0 to 3.6 V to
provide low power consumption, the pin voltage can be set to 5
V +/- 10%, making major replacement of existing system
components unnecessary.
4. Other features
- While the core power supply voltage is 3.0 to 3.6 V to
provide low power consumption, the pin voltage can be set to 5
V +/- 10%, making major replacement of existing system
components unnecessary.
- PLL oscillation circuit.
- A/D input expanded to 16 channels
- First H8S series model targeting the automotive field
Development Environment.
The existing H8 series C compiler, assembler, linkage editor,
librarian, simulators, debuggers, etc., can be used as the user
software development environment on widely used personal computers
and workstations. In addition, a variety of emulators, including
the E6000 realtime simulator, are available as hardware support
tools.
Specifications
Item
|
H8S/2623F Specifications
|
Maximum operating frequency
|
20 MHz (internal logic power supply: 3.3 +/- 0.3
V,
peripheral I/O power supply: 5.0 +/- 0.5 V)
|
CPU
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50 ns minimum instruction execution time
|
ROM
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256-kbyte flash memory
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RAM
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12 kbytes
|
PC break controller
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Two channels on-chip
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Data transfer controller (DTC)
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Internal interrupt/software-activated transfer
|
Timers
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16-bit timer x 6 channels
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Watchdog timer (WDT) x 1 channel
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Serial communication interface
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Asynchronous/synchronous x 3 channels
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Hitachi controller network (HCAN)
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Compliant with Bosch CAN Ver. 2.0B active
specification, 16-message buffer
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A/D converter
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10 bits x 16 channels
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Interrupt controller
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8 priority levels, 7 external interrupt pins
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Power-down modes
|
Medium-speed mode
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Sleep mode
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Module stop mode
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Software standby mode
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Hardware standby mode
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Clock pulse generator
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Choice of x4, x2, or x1 multiplication by PLL
oscillator
|
I/O ports
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54 I/O pins, 16 input pins
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Packages
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100-pin plastic QFP (14 mm x 14 mm, 0.5 mm pitch)
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WRITTEN BY Secretary's Office
All Rights Reserved,
Copyright (C)
1998, Hitachi, Ltd.