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UPD77110 Datasheet(PDF) 1 Page - NEC

Part No. UPD77110
Description  16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD77110 Datasheet(HTML) 1 Page - NEC

 
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The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
MOS INTEGRATED CIRCUIT
µµµµPD77110, 77111, 77112
16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
Document No. U12801EJ4V0DS00 (4th edition)
Date Published November 1999 N CP(K)
Printed in Japan
DATA SHEET
The mark
shows major revised points.
1998, 1999
©
DESCRIPTION
The
µPD77110, 77111, and 77112 are 16-bit fixed-point digital signal processors (DSPs).
Compared with the
µPD77016 family, these DSPs have improved power consumption and are ideal for battery-
powered mobile terminals such as PDAs and cellular phones.
Both mask ROM and RAM models are available.
For details of the functions of these DSPs, refer to the following User’s Manuals:
µPD77111 Family User’s Manual
: To be available soon
µPD7701X Family User’s Manual - Instructions: U13116E
FEATURES
z Instruction cycle (operating clock)
µPD77110 : 15.3 ns MIN (65 MHz MAX)
13.3 ns MIN (75 MHz MAX) (Operating voltage and ambient temperature are limited.)
µPD77111 : 13.3 ns MIN (75 MHz MAX)
µPD77112 : 13.3 ns MIN (75 MHz MAX)
z Memory
• Internal instruction memory
µPD77110 : RAM 35.5K words × 32 bits
µPD77111 : RAM 1K words × 32 bits
Mask ROM 31.75K words
× 32 bits
µPD77112 : RAM 1K words × 32 bits
Mask ROM 31.75K words
× 32 bits
• Data memory
µPD77110 : RAM 24K words × 16 bits × 2 banks
External memory space 32K words
× 16 bits × 2 banks
µPD77111 : RAM 3K words × 16 bits × 2 banks
Mask ROM 16K words
× 16 bits × 2 banks
µPD77112 : RAM 3K words × 16 bits × 2 banks
Mask ROM 16K words
× 16 bits × 2 banks
External memory space 16K words
× 16 bits × 2 banks


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