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| IN80C32N/IN80C52N CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER The 80C32/80C52 is a high-performance microcontroller fabricated with high-density CMOS technology. The 80C52 contains a 8k x 8 ROM , a 256 x 8 RAM , 32 I/O lines, three 16-bit counter/timers, a five-source, two-priority level nested interrupt structure, a serial I/O port for either multi-processor communications, I/O expansion or full duplex UART, and onchip oscillator and clock circuits. The device has two software selectable modes of power reduction idle mode and power-down mode. The idle mode freezes the CPU while allowing the RAM, timers, serial port, and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative. PIN CONFIGURATIONS FEATURES * 8032/8052 compatible 8k x 8 ROM (80C52) ROMless (80C32) 256 x 8 RAM Three 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 compatible Two speed ranges at VCC=5V 12 Mhz 16 Mhz (MCS-51 family) T 2 /PP 1 .0 1 .0 T 2 E X /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 1 IN80C32N/IN80C52N CMOS single-chip 8-bit microcontroller 80C32/80C52 DC ELECTRICAL CHARACTERISTICS FOR INTEGRAL DEVICES T=-10 oC to + 70oC; Vcc= 5V 10% Parameter Symb Vcc Icc Icc1 Ipd Vil Vili Vih Vih1 -Iil Itl Ili Vol Vol1 Voh Voh1 Rrst Ci/0 Supply current operating, mA Idle mode current, mA Pover-down current, mkA LOW level input voltage, V (exept EA) LOW level input voltage, V (for EA) HIGH level input voltage, V (exept XTAL1, RST) HIGH level input voltage, V (for XTAL1, RST) Input current logic 1, mkA (Ports 1, 2 and 3) Input current logic 1 to 0, mkA (Ports 1, 2 and 3) Input leacage current, mkA (Port 0, EA) LOW level output voltage, V (Ports 1, 2 and 3) LOW level output voltage, V (Ports 0, ALE, PSEN) HIGH level output voltage, V (Ports 1, 2 and 3) HIGH level output voltage, V (Ports 0, ALE, PSEN) RST pull-down resistor, kOm I/O pin capasitance, pF Test conditions Vcc = 5,5 V Fclc = 12MHz Vcc = 5,5 V Fclc = 12MHz 2VVpdVcc max INPUTS: Min 4,5 -0,5 -0,5 0,2Vcc +0,9 0,7Vcc Vi=0,45 V Vi=2 V 0,45VViVcc OUTPUTS: Iol = 1,6 mA Iol = 3,2 mA -Ioh=60 mkA Vcc=5V10% -Ioh=400 mkA Vcc=5V10% test frecuency=1MHz Limits Max 5,5 18 5,0 50 0.2Vcc-0,1 0.2Vcc-0,3 Vcc+0,5 Vcc+0,5 50 500 10 2,4 2,4 20 - 0,45 0,45 120 10 AC ELECTRICAL CHARACTERISTICS FOR INTEGRAL DEVICES T=-10 oC to + 70oC; Vcc= 5V 10% Symbol Fclc Parameter Variable Oscillator Min Max Oscillator Frequency: 1,6 12 1,6 16 1,6 12 1,6 16 Unit IN80C32N - 12 IN80C32N - 16 IN80C52N - 12 IN80C52N - 16 MHz MHz MHz MHz 2 |
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