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PIC16F84A 数据表(PDF) 13 Page - Microchip Technology |
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PIC16F84A 数据表(HTML) 13 Page - Microchip Technology |
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13 / 337 page  © 1997 Microchip Technology Inc. DS30234D-page 13 PIC16C6X FIGURE 3-4: PIC16C66/67 BLOCK DIAGRAM Synchronous Serial Port EPROM Program Memory 8K x 14 13 Data Bus 8 14 Program Bus Instruction reg Program Counter 8 Level Stack (13-bit) RAM File Registers 368 x 8 Direct Addr 7 RAM Addr(1) 9 Addr MUX Indirect Addr 8 FSR reg STATUS reg MUX ALU W reg Power-up Timer Oscillator Start-up Timer Power-on Reset Watchdog Timer Instruction Decode & Control Timing Generation OSC1/CLKIN OSC2/CLKOUT MCLR VDD, VSS 3 PORTA PORTB PORTC PORTD PORTE RA4/T0CKI RA5/SS RB0/INT RB7:RB1 RC0/T1OSO/T1CKI RC1/T1OSI/CCP2 RC2/CCP1 RC3/SCK/SCL RC4/SDI/SDA RC5/SDO RC6/TX/CK RC7/RX/DT RE0/RD RE1/WR RE2/CS 8 8 Brown-out Reset (Note 2) USART Timer0 Timer1 Timer2 CCP2 CCP1 RD0/PSP0 RD1/PSP1 RD2/PSP2 RD3/PSP3 RD4/PSP4 RD5/PSP5 RD6/PSP6 RD7/PSP7 RA1 RA0 RA2 RA3 Parallel Slave Port Note 1: Higher order bits are from the STATUS register. 2: PORTD, PORTE and the Parallel Slave Port are not available on the PIC16C66. |
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