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UPD77111F1 Datasheet

  • UPD77111F1

  • 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS

  • 451.78KB

  • 80頁(yè)

  • NEC   NEC

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DATA SHEET
碌
PD77110, 77111, 77112
16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
MOS INTEGRATED CIRCUIT
DESCRIPTION
The
碌
PD77110, 77111, and 77112 are 16-bit fixed-point digital signal processors (DSPs).
Compared with the
碌
PD77016 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鈥檚 Manuals:
碌
PD77111 Family User鈥檚 Manual
: To be available soon
碌
PD7701X Family User鈥檚 Manual - Instructions: U13116E
FEATURES
z
Instruction cycle (operating clock)
碌
PD77110 : 15.3 ns MIN (65 MHz MAX)
13.3 ns MIN (75 MHz MAX) (Operating voltage and ambient temperature are limited.)
碌
PD77111 : 13.3 ns MIN (75 MHz MAX)
碌
PD77112 : 13.3 ns MIN (75 MHz MAX)
z
Memory
鈥?Internal instruction memory
碌
PD77110 : RAM 35.5K words
脳
32 bits
碌
PD77111 : RAM 1K words
脳
32 bits
Mask ROM 31.75K words
脳
32 bits
碌
PD77112 : RAM 1K words
脳
32 bits
Mask ROM 31.75K words
脳
32 bits
鈥?Data memory
碌
PD77110 : RAM 24K words
脳
16 bits
脳
2 banks
External memory space 32K words
脳
16 bits
脳
2 banks
碌
PD77111 : RAM 3K words
脳
16 bits
脳
2 banks
Mask ROM 16K words
脳
16 bits
脳
2 banks
碌
PD77112 : RAM 3K words
脳
16 bits
脳
2 banks
Mask ROM 16K words
脳
16 bits
脳
2 banks
External memory space 16K words
脳
16 bits
脳
2 banks
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.
Document No. U12801EJ4V0DS00 (4th edition)
Date Published November 1999 N CP(K)
Printed in Japan
The mark
shows major revised points.
漏
1998, 1999

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