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PCF84C12A Datasheet(PDF) 4 Page - NXP Semiconductors |
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PCF84C12A Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 16 page This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... OSCILLATOR MBC951 PORT 0 FLIP-FLOPS PORT 0 BUFFER 8 HIGHER PROGRAM COUNTER LOWER PROGRAM COUNTER PROGRAM STATUS WORD MEMORY BANK FLIP-FLOPS RESIDENT ROM 1 kbyte (PCF84C12A) 2 kbytes (PCF84C22A) 4 kbytes (PCF84C42A) DECODE 5 888 8 P0.7 to P0.0 RAM ADDRESS REGISTER (8) ACCUMULATOR TEMPORARY REGISTER 1 TEMPORARY REGISTER 2 ARITHMETIC LOGIC UNIT INSTRUCTION REGISTER & DECODER DECIMAL ADJUST CONTROL & TIMING XTAL 2 XTAL 1 RESET INT / T0 STOP IDLE INTERRUPT INITIALIZE CONDITIONAL BRANCH LOGIC INT / T0 TEST 1 TIMER FLAG CARRY ACC ACC BIT TEST RESIDENT RAM ARRAY 64 bytes MULTIPLEXER 8 LEVEL STACK (VARIABLE LENGTH) OPTIONAL SECOND REGISTER BANK DATA STORE D E C O D E REGISTER 0 REGISTER 1 REGISTER 2 REGISTER 3 REGISTER 4 REGISTER 5 REGISTER 6 REGISTER 7 PORT 1 FLIP-FLOPS PORT 1 BUFFER P1.0 to P1.4 5 3 TIMER/ EVENT COUNTER 32 INTERNAL CLOCK FREQ. 30 TEST 1 88 8 8 8 INTERRUPT LOGIC timer interrupt external interrupt Fig.1 Block diagram of PCF84C12A. |
Similar Part No. - PCF84C12A |
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Similar Description - PCF84C12A |
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