(HD404054 / HD404094) HMCS400-series microcomputers designed to increase program productivity
Description
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HD404054 Series/HD404094 Series
Rev.
6.
0 Sept.
1998 Description
The HD404054 Series and HD404094 Series are HMCS400-series microcomputers designed to increase program productivity with large-capacity memory.
Each microcomputer has three timers, one serial interface, comparator, input capture circuit.
The HD404054 Series includes three chips: the HD404052 with 2-kword ROM; the HD404054 with 4kword ROM; and the HD4074054 with 4-kword PROM (ZTAT™ version).
Also, the HD404094 Series includes three chips: the HD404092 with 2-kword ROM; the HD404094 with 4-kword ROM; and the HD4074094 with 4-kword PROM (ZTAT™ version).
The HD4074054 and HD4074094 are PROM version (ZTAT™ microcomputers).
Program 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 ZTAT™version is 27256-compatible.
)
Features
• The differences between HD404054 Series and HD404094 Series
HD404054 Series I/O pins 10 large-current output pins: Six 15-mA sinks and four 10-mA sources HD404094 Series • • 6 largecurrent output pins: Two 15-mA sinks and four 10-mA sources 4 intermediate voltage output pins
• • • • • • • •
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27 I/O pins and 8 dedicated input pins Three timer/counters Eight-bit input capture circuit Two timer outputs (including two PWM outputs) One event counter inputs (including one double-edge function) One clock-synchronous 8-bit serial interface Comparator (2 channels) Built-in oscillators Main clock: Ceramic or crystal oscillator (an external clock is also possible)
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HD404054 Series/HD404094 Series
• Six interrupt sources Two by external sources Four by internal sources • Subroutine stack up to 16 levels, including interrupts • Two low-power dissipation modes Standby mode Stop mode • One external input for transition from stop mode to active mode • Instruction cycle time: 1 µs (fOSC = 4 MHz at 1/4 division ratio...
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