HD404394 PDF даташит
Спецификация HD404394 изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «(HD404xxx Series) 4-Bit Microcomputer». |
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Детали детали
Номер произв | HD404394 |
Описание | (HD404xxx Series) 4-Bit Microcomputer |
Производители | Hitachi Semiconductor |
логотип |
30 Pages
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HD404344R Series/HD404394 Series
Rev. 7.0
Sept. 1999
Description
The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series,
which is designed to make application systems compact while realizing higher performance and increasing
program productivity.
Each microcomputer has an A/D converter, two timers and a serial interface. The HD404344R series
includes the HD404344R with on-chip 4-kword ROM, HD404342R with 2-kword ROM, and HD404341R
with 1-kword ROM. The HD404394 series includes the HD404394 with on-chip 4-kword ROM,
HD404392 with 2-kword ROM, and HD404391 with 1-kword ROM.
The HD4074344 and HD4074394 are the PROM version ZTAT™ microcomputers. Programs can be
written to the PROM by a PROM writer, which can dramatically shorten system development periods and
smooth the process from debugging to mass production. (The PROM program specifications are the same
as for the 27256.)
ZTAT™: Zero Turn Around Time ZTAT is a Trademark of Hitachi Ltd.
Features
• Input/output pins
HD404344R series, HD4074344: 22 pins
(10pins: Large-current I/O pins)
HD404394 series: 21 pins
(3 pins: intermediate-voltage NMOS open drain I/O; 5 pins: NMOS open drain I/O with 15-mA
high-current driver)
• Two timer/counters
One timer output
One event counter input (with programmable edge detection)
• 8-bit clock-synchronous serial interface (1 channel)
• On-chip A/D converter
HD404344R series, HD4074344: 8 bit × 4 channel
HD404394 series: 8 bit × 3 channel (with Vref pin)
• Built-in oscillator
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HD404344R Series/HD404394 Series
HD404344R Series
Ceramic oscillator, CR oscillation, External clock drive is also possible.
HD404394 Series, HD4074344
Ceramic oscillator, External clock drive is also possible.
• Five interrupt sources
One by external source (with programmable edge detection)
Four by internal sources
• Subroutine stack
Maximum 16 levels including interrupts
• Two low-power dissipation modes
Standby mode
Stop mode
• One input signal to return from stop mode
• Instruction cycle time
1 µs (fOSC = 4 MHz)
2
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HD404344R Series/HD404394 Series
Type of Products
Product Name
Type
HD404344R
Series*1
HD404394
Series
ROM (words) RAM (digit)
Package
Mask ROM HD404341RS HD404391S
1,024
256
DP-28S
HD40C4341RS
HD404342RS HD404392S
2,048
HD40C4342RS
HD404344RS HD404394S
4,096
HD40C4344RS
HD404341RFP HD404391FP
1,024
FP-28DA
HD40C4341RFP
HD404342RFP HD404392FP
2,048
HD40C4342RFP
HD404344RFP HD404394FP
4,096
HD40C4344RFP
HD404341RFT HD404391FT
1,024
FP-30D
HD40C4341RFT
HD404342RFT HD404392FT
2,048
HD40C4342RFT
HD404344RFT HD404394FT
4,096
HD40C4344RFT
HCD404344R ——
4,096
Chip*3 *4
HCD40C4344R
ZTAT™
HD4074344S HD4074394S
4,096
DP-28S
HD4074344FP HD4074394FP
FP-28DA
HD4074344FT HD4074394FT
FP-30D
Note:
1. The HD404344R Series is available in a mask ROM version only.
2. ZTAT™ chip shipment is not supprted.
3. The specifications of shipped chips differ from those of the package product. Please contact our
sales staff for details.
3
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Номер в каталоге | Описание | Производители |
HD404391 | (HD404xxx Series) 4-Bit Microcomputer | Hitachi Semiconductor |
HD404392 | (HD404xxx Series) 4-Bit Microcomputer | Hitachi Semiconductor |
HD404394 | (HD404xxx Series) 4-Bit Microcomputer | Hitachi Semiconductor |
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