404344RF Datasheet PDF - Hitachi

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404344RF
Hitachi

Part Number 404344RF
Description HD404344
Page 30 Pages


404344RF datasheet pdf
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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 ZTATmicrocomputers. 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. ZTATchip 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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HD404344R Series/HD404394 Series
List of Functions
Mask ROM
item
HD404341R HD404342R HD404344R HCD404344R HD40C4341R HD40C4342R HD40C4344R
Operating voltage (V)
2.5 to 5.5
2.5 to 5.5
2.5 to 5.5
2.5 to 5.5
2.5 to 5.5
2.5 to 5.5
2.5 to 5.5
Instruction cycle time (typ.)
1 µs
(fosc = 4.0
MHz)
1 µs
(fosc = 4.0
MHz)
1 µs
(fosc = 4.0
MHz)
1 µs
(fosc = 4.0
MHz)
2 µs
(Rf = 20 k)
2 µs
(Rf = 20 k)
2 µs
(Rf = 20 k)
ROM (Words)
1,024
2.048
4,096
4,096
1,024
2,048
4,096
RAM (Digits)
256 256 256 256 256 256 256
I/O 22 22 22 22 22 22 22
High-current 10 10 10 10 10 10 10
I/O pins (Sink
15 mA max)
Timer
Free running 2
2
2
2
2
2
2
functions timer
Reload timer 2 2 2 2 2 2 2
Event counter 1 1 1 1 1 1 1
Watchdog
1
1
1
1
1
1
1
timer
Serial interface 1 1 1 1 1 1 1
A/D converter
8bit × 4ch
8bit × 4ch
8bit × 4ch
8bit × 4ch
8bit × 4ch
8bit × 4ch
8bit × 4ch
Interrupt External
1
1
1
1
1
1
1
Internal
4
4
4
4
4
4
4
Low-power modes
2
2
2
2
2
2
2
Stop mode l l l l l l l
lStandby mode l l l l l l
Oscillator Ceramic
l
l
l
l
——
oscillation
lRC oscillation — — — — l l
Package
DP-28S
FP-28DA
FP-30D
DP-28S
FP-28DA
FP-30D
DP-28S
FP-28DA
FP-30D
Chip
DP-28S
FP-28DA
FP-30D
DP-28S
FP-28DA
FP-30D
DP-28S
FP-28DA
FP-30D
Guaranteed operation
temperature (°C)
–20 to +75 –20 to +75 –20 to +75 +75
–20 to +75 –20 to +75 –20 to +75
4



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404344RF HD404344 404344RF
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