English
Language : 

UPD77115 Datasheet, PDF (1/56 Pages) NEC – 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD77115, 77115A
16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSOR
DESCRIPTION
The µPD77115 and µPD77115A are 16-bit fixed-point digital signal processors (DSP).
The µPD77115 and µPD77115A are RAM based DSP and have the specific circuit for audio application.
Unless otherwise specified, the µPD77115 refers to µPD77115 and 77115A.
For details of the functions of the µPD77115, refer to the following User’s Manuals:
µPD77111 Family User’s Manual - Architecture : U14623E
µPD77016 Family User’s Manual - Instructions : U13116E
FEATURES
• Instruction cycle (operating clock)
• Memory
13.3 ns MIN. (75 MHz MAX.)
• Internal instruction RAM
• Internal data RAM
• Peripherals
11.5K words × 32 bits
16K words × 16 bits × 2 banks
• Audio serial interface
• Secure Digital (SD) card interface
• 16-bit timer
• 16-bit host interface
• 8-bit port
• Supply voltage
• DSP core voltage
2.0 to 2.7 V (MAX. operation speed 50 MHz)
2.3 to 2.7 V (MAX. operation speed 75 MHz)
• I/O pin voltage
2.7 to 3.6 V
• Power consumption
TYP. 50 mW (2.0 V, 50 MHz operation)
ORDERING INFORMATION
Part Number
Package
µPD77115F1-CN6
µPD77115GK-9EU
80-pin plastic FBGA (9 × 9)
80-pin plastic TQFP (fine pitch) (12 × 12)
µPD77115AF1-xxx-CN6
80-pin plastic FBGA (9 × 9)
Remark xxx indicates ROM code suffix.
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 products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. U14867EJ5V0DS00 (5th edition)
Date Published August 2004 NS CP(K)
Printed in Japan
The mark shows major revised points.
2000, 2004