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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC18F23K20-E/ML датащи(PDF) 14 Page - Microchip Technology |
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PIC18F23K20-E/ML датащи(HTML) 14 Page - Microchip Technology |
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14 / 456 page  PIC18F2XK20/4XK20 DS41303G-page 14 2010 Microchip Technology Inc. FIGURE 1-1: PIC18F2XK20 (28-PIN) BLOCK DIAGRAM Instruction Decode and Control PORTA PORTB PORTC RA4/T0CKI/C1OUT RA5/AN4/SS/HLVDIN/C2OUT RB0/INT0/FLT0/AN12 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2(1) RC2/CCP1 RC3/SCK/SCL RC4/SDI/SDA RC5/SDO RC6/TX/CK RC7/RX/DT RA3/AN3/VREF+ RA2/AN2/VREF-/CVREF RA1/AN1 RA0/AN0 RB1/INT1/AN10/C12IN3- Data Latch Data Memory Address Latch Data Address<12> 12 Access BSR FSR0 FSR1 FSR2 inc/dec logic Address 4 12 4 PCH PCL PCLATH 8 31-Level Stack Program Counter PRODL PRODH 8 x 8 Multiply 8 BITOP 8 8 ALU<8> 20 8 8 Table Pointer<21> inc/dec logic 21 8 Data Bus<8> Table Latch 8 IR 12 3 ROM Latch RB2/INT2/AN8 RB3/AN9/CCP2(1)/C12IN2- PCLATU PCU OSC2/CLKOUT(3)/RA6 Note 1: CCP2 is multiplexed with RC1 when Configuration bit CCP2MX is set, or RB3 when CCP2MX is not set. 2: RE3 is only available when MCLR functionality is disabled. 3: OSC1/CLKIN and OSC2/CLKOUT are only available in select oscillator modes and when these pins are not being used as digital I/O. Refer to Section 2.0 “Oscillator Module (With Fail-Safe Clock Monitor)” for additional information. RB4/KBI0/AN11 RB5/KBI1/PGM RB6/KBI2/PGC RB7/KBI3/PGD EUSART Comparator MSSP 10-bit ADC Timer2 Timer1 Timer3 Timer0 CCP2 HLVD ECCP1 BOR Data EEPROM W Instruction Bus <16> STKPTR Bank 8 State machine control signals Decode 8 8 Power-up Timer Oscillator Start-up Timer Power-on Reset Watchdog Timer OSC1(3) OSC2(3) VDD, Brown-out Reset Internal Oscillator Fail-Safe Clock Monitor Precision Reference Band Gap VSS MCLR(2) Block LFINTOSC Oscillator 16 MHz Oscillator Single-Supply Programming In-Circuit Debugger T1OSO OSC1/CLKIN(3)/RA7 T1OSI PORTE MCLR/VPP/RE3(2) FVR FVR FVR CVREF Address Latch Program Memory (8/16/32/64 Kbytes) Data Latch |
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