k 0 s f a mil y pr o d u ct bri e f m ar c h 1 9 98 de s c r i pti o n the pd78 9 1x x m icrocon t ro l lers are ne w m e m bers of n e c s low-cos t k0 s 8-bit m i c r o c o n t rol l er f a m il y . they of f e r a s ystem clo c k c h oice o f a n rc c i r cu i t or reso n a t o r , and are a v ailable with a n 8- o r 1 0-bit a/ d co n v e r te r . the pd789 1 x x f a m ily is f ab r icated using an 0 . 3 5 - m icron c m os p ro c e s s f or lo w powe r consu m ption and m i ni m al cos t . w i t h 28- o r 3 0-pin pa c kage options , t h e s e d e vices ar e i deal f or cos t - sensiti v e consu m e r appl i c a t i o ns ne e din g ana l og i n t e r f ace s . thes e m icrocont r o llers a r e sup p o r te d b y a n e xtensi v e tool cha i n , co m pa t i b le across nec s e n t ire k se r ies? l i ne o f 8 - a nd 16-bit m icrocontroller s . the tools c o n t a i n a so f t w ar e sim u lato r , c co m pi l e r , relocata b le asse m b le r , scree n debugge r , and i n - c i r cu i t emu l a t o r . figure 1. block diagram 98yl-0003b (1/98) 16-bit timer tm20 cpu & macro control hardware multiply system registers ?pc ?psw ?stack pointer alu main clock oscillator sytem control 4 channel 8-bit a/d converter cpt20 t020 clocks and system control rom 2k, 4k & 8k ram 256 bytes eight 8-bit gp registers memory cpu core ani0-ani3 intp0-intp2 p00-p25 av dd av ss reset cl2 v dd v ss ic cl1 8-bit t/e counter 80 ti80 to80 watchdog 20 port pins programmable interrupt p50-p63 ?? ?? timer/event counter timers timers and counters 16-bit timer uart rxd20/si20 txd20/so20 sck20 brg serial channels uart (sio20) pd/ 8 9 1 0 x/ 9 1 1 x/ 9 12 x / 9 13x 8 - bi t g e n e r a l -p u rp o s e m i c r o c o n t r o l l e r s wi t h 8 - o r 1 0 -b i t a/d a n d rc o r ceramic o s cil l at o r
specifications ? clock frequency ? rc oscillator up to 4 mhz ? ceramic oscillator up to 5 mhz ? minimum instruction execution time ? rc oscillator C0.5 s ? ceramic oscillator C0.4 s ? operating voltage: 1.8 to 5.5 volts ? operating temperature: C40 to +85c ? 0.35-micron cmos process technology ? power consumption ? 3.0 mw (normal mode) ? 2.7 mw (halt mode) ? 0.00015 mw (stop mode) ? packages ? 28-pin sdip (400 mil) ? 30-pin ssop (300 mil) features ? architecture ?8-bit cpu ? bit, byte, or word instruction set with 8 x 8 multiply instruction ? minimum instruction execution time C 400 ns using xtal C 500 ns using rc oscillation ? eight 8-bit registers ? memory ? 64k linear address space ? 2k to 16k internal rom ? 16k flash version ? fully static 256-byte internal ram ? clock sources ? resonator: 1 to 5 mhz (pd78910x/911x) ? rc circuit: 0.4 to 4 mhz (pd78912x/913x) ? interrupts ? three external maskable interrupts ? six internal maskable interrupts ? automatic release of halt and stop modes ? peripherals ? twenty general-purpose i/o pins ? one 16-bit timer/counter ? one 8-bit timer/event counter with pwm mode ? one watchdog/interval timer
? one serial channel C uart with baud rate generator C three-wire synchronous mode ? four-channel 8- or 10-bit a/d converter note: target specification table 1. power-saving features vo ltag e mode and typical power at 5 mhz note normal mode: chip 100% on (main system clock on) halt mode: cpu clock off and main clock on stop mode: main clock off 5 volts 10.5 mw 8 mw 0.0005 mw 3 volts 3 mw 2.7 mw 0.0001 mw table 2. ordering information part number internal rom a/d main clock source ram m pd789101ct/gs 2k mask rom 8-bit ceramic resonator 256 m pd789102ct/gs 4k mask rom 8-bit m pd789104ct/gs 8k flash memory 8-bit m pd789111ct/gs 2k mask rom 10-bit m pd789112ct/gs 4k mask rom 10-bit m pd789114ct/gs 8k flash memory 10-bit m pd78f9116ct/gs 16k flash memory 10-bit m PD789121CT/gs 2k mask rom 8-bit rc clock m pd789122ct/gs 4k mask rom 8-bit m pd789124ct/gs 8k flash memory 8-bit m pd789131ct/gs 2k mask rom 10-bit m pd789132ct/gs 4k mask rom 10-bit m pd789134ct/gs 8k flash memory 10-bit m pd78f9136ct/gs 16k flash memory 10-bit
in north america: 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, 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 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 nec electronics inc. corporate headquarters 2880 scott boulevard santa clara, ca 95050-2554 tel 408-588-6000 k series is either a trademark or registered trademark of nec electronics inc. in the united states and/or other countries. i 2 c is a trademark of nv philips.
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