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PIC18F1320-IP Datasheet(PDF) 9 Page - Microchip Technology |
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PIC18F1320-IP Datasheet(HTML) 9 Page - Microchip Technology |
9 / 308 page © 2007 Microchip Technology Inc. DS39605F-page 7 PIC18F1220/1320 FIGURE 1-1: PIC18F1220/1320 BLOCK DIAGRAM Instruction Decode & Control PORTA PORTB RA4/T0CKI MCLR/VPP/RA5(1) Enhanced Timer0 Timer1 Timer2 RA3/AN3/VREF+ RA2/AN2/VREF- RA1/AN1/LVDIN RA0/AN0 Data Latch Data RAM Address Latch Address<12> 12(2) BSR FSR0 FSR1 FSR2 4 12 4 PCH PCL PCLATH 8 31 Level Stack Program Counter PRODL PRODH 8 x 8 Multiply WREG 8 BIT OP 8 8 ALU<8> 8 Address Latch (8 Kbytes) Data Latch 20 21 21 16 8 8 8 inc/dec logic 21 8 Data Bus<8> 8 Instruction 12 3 ROM Latch Timer3 Bank0, F PCLATU PCU OSC2/CLKO/RA6(2) USART 8 Register Table Latch Table Pointer <2> inc/dec logic RB0/AN4/INT0 RB4/AN6/RX/DT/KBI0 RB1/AN5/TX/CK/INT1 RB2/P1B/INT2 RB3/CCP1/P1A RB5/PGM/KBI1 RB6/PGC/T1OSO/ RB7/PGD/T1OSI/ OSC2/CLKI/RA7(2) Decode Power-up Timer Power-on Reset Watchdog Timer VDD, VSS Brown-out Reset Precision Reference Voltage Low-Voltage Programming In-Circuit Debugger Oscillator Start-up Timer Timing Generation OSC1(2) OSC2(2) T1OSI T1OSO INTRC Oscillator Fail-Safe Clock Monitor Note 1: RA5 is available only when the MCLR Reset is disabled. 2: OSC1, OSC2, CLKI and CLKO 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 Configurations” for additional information. 8 CCP Enhanced T13CKI/P1C/KBI2 Program Memory (4 Kbytes) PIC18F1220 PIC18F1320 A/D Converter Data EEPROM P1D/KBI3 MCLR(1) |
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