IN80C51N
FEATURES
8031/8051 patible 4k x 8 ROM (80C51) ROMless (80C31) 128 x 8 RAM Two 16-bit counter/timers Full duplex serial channel Boolean processor
- Memory addressing capability 64k ROM and 64k RAM
- Power control modes: Idle mode Power-down mode
- - CMOS and TTL patible Two speed ranges at VCC=5V 12 MHz 16 MHz (MCS-51 family)
PIN CONFIGURATIONS
P 1 .0 P 1 .1 P 1 .2 P 1 .3 P 1 .4 P 1 .5 P 1 .6 P 1 .7 R ST R x D /P 3 .0 T x D /P 3 .2 I N T 0 /P 3 .2 I N T 1 /P 3 .3 T 0 /P 3 .4 T 1 /P 3 .5 W R /P 3 6 R D /P 3 .7 XTAL2 XTAL1 V ss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P L A S T IC DUAL IN
- L IN E PAC KAGE 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 V cc P 0 .0 /A D 0 P 0 .1 /A D 1 P 0 .2 /A D 2 P 0 .3 /A D 3 P 0 .4 /A D 4 P 0 .5 /A D 5 P 0 .6 /A D 6 P 0 .7 /A D 6 EA ALE PSEN P 2 .7 /A 1 5 P 2 .6 /A 1 4 P 2 .5 /A 1 3 P 2 .4 /A 1 2 P 2 .3 /A 1 1 P 2 .2 /A 1 0 P 2 .1 /A 9 P 2 .0 /A 8
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IN80C31N/IN80C51N
CMOS single-chip 8-bit...
