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850
V854
TM
32-BIT RISC MICROCONTROLLER
S
S ER IE
The high-speed, low-voltage, low-power V854 microcontroller features on-chip DSP functionality with 128K single-cycle flash memory and the advanced 32-bit RISC engine of NEC's V850TM family. The V854 microcontroller provides standard on-chip peripherals such as D/A and A/D converters, complex 2 timers, and serial interfaces (including I CTM) while maintaining exceptionally low power consumption (118 mW at 33 MHz) and 3V low-voltage operation. When combined with the integrated multiply and accumulate (MAC) function, the device offers an efficient and cost-effective solution for wireless and multimedia applications. Many versions of the V850 core are available as part of NEC's ASIC library. The architecture of the V854 device is highly optimized for fast DSP-like operation and very efficient implementation of C programmability. S P E C I F I C AT I O N S -- Clock frequency: DC to 33 MHz -- Performance - 38 Dhrystone MIPS - 322 MIPS/W -- Two-cycle MAC instruction -- Single-cycle frequency shift -- 2.7-3.6V operation BLOCK DIAGRAM
ROM/Flash NMI INTP00-05 INTP10-14 INTP20-24 INTP30 INTP50-53 TI0 TCLR0 TO00-01 Timer 0 24-Bit Multifunction Timer Timer 1 24-Bit Real-Time Pulse Timer 2 5 x 16-Bit Timer Counter Timer 3 16-Bit Interval Timer SIO SO0/TXD SI0/RXD SCK0 UART0/ CSI0 BRG0 SO1/SDA SI1 SCK1/SCL I2C1/ CSI1 BRG1 SO2 SI2 SCK2 4-Channel PWM D/A Converter 8 Bit x 16 Channels Real-Time Output Port 8 Bit x 1 Channel Ports Clock Generator RAM AD0-AD15 GeneralPurpose Registers (32-Bit x 32) ALU Bus Control Unit HLDRQ HLDAK WRH WRL BVDD BVSS Programmable Interrupt Controller 128K 32-Bit Barrel Shifter System Register Multiplier 16 x 16 32 PC Instruction Queue CPU BCU ASTB DSTB R/W RD UBEN LBEN WAIT A16-A23
-- -- -- --
Power consumption: 118 mW at 33 MHz 0.35-m CMOS process technology 6.3 mm x 6.4 mm die size Package - 144-pin plastic QFP - 20 mm x 20 mm
Prefetch Control
TI1
4K
TI20-24 TO20-24
***
ANI0-ANI5
AVREF
RTP0-RTP7
ADTRG
P0 ... P14
CKSEL CLKOUT CLO X1 X2 PLLSEL CVDD CVSS MODE0-2 RESET VDD VSS VPP
AVSS AVDD
System Control
PWM0-PWM3
CSI2
BRG2 SO3 SI3 SCK3
CSI3
BRG3
96FM-1036C (11/98)
TM
F E AT U R E D E S C R I P T I O N CPU -- Highly integrated microcontroller - 32-bit arithmetic logic unit (ALU) - Thirty-two general-purpose 32-bit registers - 32-bit barrel shifter -- Single-cycle 16 x 16 -- 32-bit hardware > multiplier -- Powerful RISC instruction set - 74 RISC instructions: 16- and 32-bit - Two-cycle MAC function for DSP applications - Saturated operation instructions (over/ underflow detection function) - Single-cycle 32-bit shift instructions - Bit manipulation instructions - Load and store instructions with 8-/16-/32-bit data -- Fast instruction execution: 30 ns at 33 MHz MEMORY -- 128K single-cycle internal flash memory or ROM -- 4K single-cycle internal RAM EXTERNAL BUS INTERFACE -- 16-MB linear external memory expansion -- Multiplexed 24-bit address/16-bit data bus -- Multiple bus mastership -- Programmable and external wait functions -- Idle state insertion for slow memory INTERRUPTS -- 31 maskable interrupts plus NMI -- Eight programmable priority levels on all interrupts and traps -- Specifiable rising and/or falling edge detection -- 11 software traps PERIPHERALS -- 112 general-purpose, reassignable I/O pins -- Real-time pulse unit - 24-bit multifunction timer: two channels - 16-bit timer/counters: five channels - 16-bit interval timer: one channel -- 8-bit, real-time output port: one channel -- Serial interface - UART - Four clocked serial interfaces 2 - I C serial interface - Four dedicated baud rate generators -- Clock generator - Internal PLL (5x, 1x) - Direct clock input (1/2x) -- Analog interface - Sixteen-channel A/D converter with 8-bit resolution - Four-channel pulse-width modulator with 16-bit resolution OTHER -- Power saving features - Halt/idle/stop modes - Clock output stop function - Fully static, 3V low-voltage operation
O R D E R I N G I N F O R M AT I O N PART NUMBER PD70F3008YGJ-33-8EU PD703008YGJ-33-8EU INTERNAL ROM 128K flash EEPROM 128K masked ROM PACKAGE 144-pin plastic QFP (fine pitch), 20 mm x 20 mm 144-pin plastic QFP (fine pitch), 20 mm x 20 mm
For literature, call 1-800-366-9782 7 a.m. to 6 p.m. Pacific time or fax your request to 1-800-729-9288 or visit our Web site at www.nec.com
(c) 1998 NEC Electronics Inc. NEC, V850 and V854 are either trademarks or registered trademarks of NEC Corporation in the United States and/or other countries. I2C is a trademark of NV Philips. All other trademarks are the property of their respective owners. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Electronics Inc. (NECEL). The information in this document is subject to change without notice. ALL DEVICES SOLD BY NECEL ARE COVERED BY THE PROVISIONS APPEARING IN NECEL TERMS AND CONDITIONS OF SALES ONLY, INCLUDING THE LIMITATION OF LIABILITY, WARRANTY, AND PATENT PROVISIONS. NECEL makes no warranty, express, statutory, implied, or by description, regarding information set forth herein or regarding the freedom of the described devices from patent infringement. NECEL assumes no responsibility for any errors that may appear in this document. NECEL makes no commitments to update or to keep current information contained in this document. The devices listed in this document are not suitable for use in applications such as, but not limited to, aircraft control systems, aerospace equipment, submarine cables, nuclear reactor control systems, and life-support systems. "Standard" quality grade devices are recommended for computers, office equipment, communication equipment, test and measurement equipment, machine tools, industrial robots, audio and visual equipment, and other consumer products. For automotive and transportation equipment, traffic control systems, and anti-disaster and anti-crime systems, it is recommended that the customer contact the responsible NECEL salesperson to determine the reliability requirements for any such application and any cost adder. NECEL does not recommend or approve use of any of its products in life-support devices or systems or in any application where failure could result in injury or death. If customers wish to use NECEL devices in applications not intended by NECEL, customers must contact the responsible NECEL salespeople to determine NECEL's willingness to support a given application. Document # U11945EU4V0PB00

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