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HD404818 Dataheets PDF



Part Number HD404818
Manufacturers Hitachi
Logo Hitachi
Description (HD40L481x Series) 4-Bit Single-Chip Microcomputer
Datasheet HD404818 DatasheetHD404818 Datasheet (PDF)

HD404818 Series 4-Bit Single-Chip Microcomputer Preliminary Rev. 2.0 Sept. 1998 Description T he H D4 04 81 8 Se ri es of 4-bit single-chip HMCS400 series microcomputers provide high program productivity. It incorporates a large size memory, LCD controller/driver, voltage comparator, and 32-kHz watch oscillator circuit. The HD404818 Series has both standard voltage versions and low voltage versions available. The standard voltage versions operate at 4.0 V to 6.0 V (mask ROM version) and 4.0 V t.

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HD404818 Series 4-Bit Single-Chip Microcomputer Preliminary Rev. 2.0 Sept. 1998 Description T he H D4 04 81 8 Se ri es of 4-bit single-chip HMCS400 series microcomputers provide high program productivity. It incorporates a large size memory, LCD controller/driver, voltage comparator, and 32-kHz watch oscillator circuit. The HD404818 Series has both standard voltage versions and low voltage versions available. The standard voltage versions operate at 4.0 V to 6.0 V (mask ROM version) and 4.0 V to 5.5 V (PROM version), while the low voltage versions operate at 2.7 V to 6.0 V (mask ROM) and 3.0 V to 5.5 V (PROM). Low voltage versions include an L in their product name. Standard voltage versions: HD404812, HD404814, HD404816, HD404818, HD4074818 Low voltage versions: HD40L4812, HD40L4814, HD40L4816, HD40L4818, HD407L4818 ZTAT TM : Zero Turn Around Time ZTAT is a trademark of Hitachi Ltd. w Features w w .D at aS • • • • • • • • • • 2048-word × 10-bit ROM (HD404812, HD40L4812) 4096-word × 10-bit ROM (HD404814, HD40L4814) 6144-word × 10-bit ROM (HD404816, HD40L4816) 8192-word × 10-bit ROM (HD404818, HD40L4818, HD4074818, HD407L4818) 1184-digit × 4-bit RAM 30 I/O pins, including 10 high-current output pins, all CMOS and programmable as I/O pull-up MOS LCD controller/driver (32 segments × 4 commons) Three timer/counters Clock-synchronous 8-bit serial interface Six interrupt sources  Two by external sources  Four by internal sources he et 4U .c om www.DataSheet4U.com The HD4074818 and HD407L4818, containing PROMs, are ZTAT ™ microcomputers which can dramatically shorten system development time and smoothly proceed from debugging to mass production. HD404818 Series • Subroutine stack up to 16 levels, including interrupts • Instruction cycle time:  1 µs (fOSC = 4 MHz for HD404812/HD404814/HD404816/HD404818/HD4074818)  5 µs (fOSC = 800 kHz for HD40L4812/HD40L4814/HD40L4816/HD40L4818/HD407L4818) • Four low-power dissipation modes  Standby mode  Stop mode  Watch mode  Subactive mode • Internal oscillator:  Main clock: Can be driven by ceramic oscillator, crystal oscillator, or external clock  Subclock: 32.768-kHz crystal • Voltage comparator (2 channels) • Package  80-pin plastic flat package (FP-80B, FP-80A)  80-pin plastic thin flat package (TFP-80) 2 HD404818 Series Ordering Information Type Mask ROM Supply Voltage Standard (4.0 to 6.0 V) Product Name HD404812 Model Name HD404812FS HD404812H HD404812TF HD404814 HD404814FS HD404814H HD404814TF HD404816 HD404816FS HD404816H HD404816TF HD404818 HD404818FS HD404818H HD404818TF Low-voltage operation (2.7 to 6.0 V) HD40L4812 HD40L4812FS HD40L4812H HD40L4812TF HD40L4814 HD40L4814FS HD40L4814H HD40L4814TF HD40L4816 HD40L4816FS HD40L4816H HD40L4816TF HD40L4818 HD40L4818FS HD40L4818H HD40L4818TF ZTAT™ Standard (4.0 to 5.5 V) HD4074818 HD4074818FS HD4074818H HD4074818TF Low-voltage operation (3.0 to 5.5 V) HD407L4818 HD407L4818FS HD407L4818H HD407L4818TF 0.8 8,192 4 8,192 6,144 4,096 2,048.


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