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PIC16LC72 Datasheet(PDF) 3 Page - Microchip Technology |
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PIC16LC72 Datasheet(HTML) 3 Page - Microchip Technology |
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3 / 128 page  PIC16C72 Series 1998-2013 Microchip Technology Inc. Preliminary DS39016B-page 3 1.0 DEVICE OVERVIEW This document contains device-specific information for the operation of the PIC16C72 device. Additional infor- mation may be found in the PIC® Mid-Range MCU Ref- erence Manual (DS33023) which may be downloaded from the Microchip website. The Reference Manual should be considered a complementary document to this data sheet, and is highly recommended reading for a better understanding of the device architecture and operation of the peripheral modules. The PIC16C72 belongs to the Mid-Range family of the PIC devices. A block diagram of the device is shown in Figure 1-1. The program memory contains 2K words which trans- late to 2048 instructions, since each 14-bit program memory word is the same width as each device instruc- tion. The data memory (RAM) contains 128 bytes. There are also 22 I/O pins that are user-configurable on a pin-to-pin basis. Some pins are multiplexed with other device functions. These functions include: • External interrupt • Change on PORTB interrupt • Timer0 clock input • Timer1 clock/oscillator • Capture/Compare/PWM • A/D converter • SPI/I2C Table 1-1 details the pinout of the device with descrip- tions and details for each pin. FIGURE 1-1: PIC16C72/CR72 BLOCK DIAGRAM EPROM/ Program Memory 2K x 14 13 Data Bus 8 14 Program Bus Instruction reg Program Counter 8 Level Stack (13-bit) RAM File Registers 128 x 8 Direct Addr 7 RAM Addr(1) 9 Addr MUX Indirect Addr 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 Timer0 A/D Synchronous Serial Port PORTA PORTB PORTC RB0/INT RB7:RB1 RC0/T1OSO/T1CKI RC1/T1OSI RC2/CCP1 RC3/SCK/SCL RC4/SDI/SDA RC5/SDO RC6 RC7 8 8 Brown-out Reset Note 1: Higher order bits are from the STATUS register. CCP1 Timer1 Timer2 RA4/T0CKI RA5/SS/AN4 RA3/AN3/VREF RA2/AN2 RA1/AN1 RA0/AN0 8 3 ROM |
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