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PIC18F258-E/SOSQTP 数据表(PDF) 10 Page - Microchip Technology |
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PIC18F258-E/SOSQTP 数据表(HTML) 10 Page - Microchip Technology |
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10 / 402 page ![]() PIC18FXX8 DS41159E-page 8 © 2006 Microchip Technology Inc. FIGURE 1-1: PIC18F248/258 BLOCK DIAGRAM Power-up Timer Oscillator Start-up Timer Power-on Reset Watchdog Timer Instruction Decode & Control OSC1/CLKI OSC2/CLKO/RA6 MCLR VDD, VSS PORTA PORTB PORTC RA4/T0CKI RA5/AN4/SS/LVDIN RB0/INT0 RB4 RC0/T1OSO/T1CKI RC1/T1OSI RC2/CCP1 RC3/SCK/SCL RC4/SDI/SDA RC5/SDO RC6/TX/CK RC7/RX/DT Brown-out Reset Synchronous Timer0 Timer1 Timer2 Serial Port RA3/AN3/VREF+ RA2/AN2/VREF- RA1/AN1 RA0/AN0/CVREF CAN Module Timing Generation 10-bit ADC RB1/INT1 Data Latch Data RAM up to 1536 bytes Address Latch Address<12> 12 Bank0, F BSR FSR0 FSR1 FSR2 inc/dec logic Decode 4 12 4 PCH PCL PCLATH 8 31 Level Stack Program Counter PRODH 8 x 8 Multiply W 8 BITOP 8 8 ALU<8> 8 Test Mode Select Address Latch Program Memory up to 32 Kbytes Data Latch 21 21 16 8 8 8 Table Pointer<21> inc/dec logic 21 8 Data Bus<8> Table Latch 8 IR 12 3 ROM Latch Timer3 RB2/CANTX/INT2 RB3/CANRX T1OSI T1OSO PCLATU PCU Precision Reference Band Gap RB7/PGD RB5/PGM RB6/PGC PBOR PLVD CCP1 4X PLL Band Gap OSC2/CLKO/RA6 PRODL Data EEPROM USART |
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