The H8S/2678, 2678R Group of microcomputers incorporates 16bit x 16bitmultipliers. They are equipped with built-in IRQ (H8S/2678), EXDMAC (H8S.2678)and SDRAM I/F (H8S/2678R) in addition to the standard peripheral modules. These144-pin products have improved usability due to the deletion of EEMOV dummyread, improved IPR independence (EXDMAC) and IRQI, etc.

 

Main Solutions

Key Features:

H8S/2678

  • 33MHz (3.0V~3.6V)
  • Minimum instruction execution time
    • 30ns (33MHz/3.3V)
  • Large-capacity memory
    • 256kB/8kB (Single F-ZTAT power supply)
      :H8S/2676F
    • 256kB/8kB: H8S/2676
    • 128kB/8kB: H8S/2675
    • 64kB/8kB: H8S/2763
    • -/8kB: H8S/2670
  • Improved usability
    • EEPMOV dummy read removed
    • Improved IPR independence (EXDMAC, IRQ) etc.
  • Improved bus controllers
    • Addition of OE signal (High-speed page/EDO supported)
    • 64Mb DRAM direct connection supported
    • 2 faces of burst ROM area (area 0/1) etc.
  • A wealth of peripherals
    • IRQ 16
    • EXDMAC x 4ch added, etc.
       
  • Packages
     
Package Code
(New Renesas Code)
Body size Pin pitch
QFP-144
FP-144G (PRQP0144KA-A)
20.0×20.0mm 0.5mm

 

H8S/2678R

  • 33MHz (3.0V~3.6V)
  • Minimum instruction execution time
    • 30ns (33MHz/3.3V)
  • ROMLess version
    • H8S/2674R (-/32k)
  • Built-in SDRAM interface
    • 64MB direct connection interface
    • Secure hold time by SDRAM φ(dedicated)
    • Clock-suspended functions
  • Improved module functionality
    • A/D register 4→8
      (improved usability)
       
  • Packages
     
Package Code
(New Renesas Code)
Body size Pin pitch
LQFP-144
FP-144H (PLQP0144KC-A)
20.0×20.0mm 0.5mm

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