PIC 16FA is a microcontroller manufactured by Microchip Inc. You can see its specifications and download the datasheet here. conform functionally to the Device Data Sheet. (DSA), except for the A Silicon/Data Sheet Errata .. bytes in 16FA/A. INCF. EEADR, f. Power-up Timer and Oscillator Start-up Timer. •. Wide operating voltage range. ( – V). •. Industrial and extended temperature range. •. High Endurance.

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Skip to main content. Log In Sign Up. Most likely, the person doing so is engaged in theft of intellectual property. We at Microchip are committed to continuously improving the code protection features of our products. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that 16f627. Information contained in this publication regarding device Trademarks applications and the like is provided only for your convenience The Microchip name and logo, the Microchip logo, Accuron, and may be superseded by updates.


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Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: The last character of the literature number is the version number, 16627a.

Errata An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current devices. The errata will specify the revision of silicon and revision of document to which it applies. To determine if an errata sheet exists for a particular device, please check with one of the following: Customer Notification System Register on our web site at www. The EC mode is for an external clock source.

The two-stage instruction A is shown in Figure A total of 35 instructions reduced instruction ranging from battery chargers to low dataxheet remote set are available, complemented by a large register sensors. The Flash technology makes customizing set. The single-pin RC oscillator provides a in-circuit emulator, a low cost in-circuit debugger, a low low-cost solution. When placing orders, please use this page of the data sheet to specify the correct part number.

16FA Datasheet, PDF – Datasheet Search Engine

This allows the same device to be used for prototype development, pilot programs and production. This service is made available for users who chose not to program a medium to high quantity of units and whose code patterns have stabilized. The devices are standard Flash devices, but with all program locations and configuration options already programmed by the factory.


Certain code and prototype verification procedures apply before production shipments are available. Please contact your Microchip Technology sales office for more details. The serial numbers may be random, pseudo-random or sequential. Serial programming allows each device to have a unique number, which can serve as an entry-code, password or ID number.

The features commonly found in RISC microprocessors. In fetched from the same memory.

Separating program addition, the learning curve is reduced significantly. Instruction ALU and working register. The ALU is a general opcodes are bits wide making it possible to have all purpose arithmetic unit. It performs arithmetic and single-word instructions. A bit wide program mem- Boolean functions between data in the working register ory access bus fetches a bit instruction in a single and any register file.

A two-stage pipeline overlaps fetch and execu- tion of instructions. Consequently, all instructions 35 The ALU is 8-bits wide and capable of addition, execute in a single-cycle ns 20 MHz except for subtraction, shift and logical operations. The other operand is a file register or an immediate constant. It is not an addressable register.

Nonvolatile EEPROM data memory is provided for long term storage of data, such as calibration values, look-up table data, and any other data which may require periodic updating in the field. These data types are not lost when power is removed. The other data memory provided is regular RAM data memory. Regular RAM data memory is provided for temporary storage of data during normal operation. Data is lost when power is removed. Higher order bits are from the Status register. Connects to crystal or resonator in Crystal Oscillator mode.

Can be software programmed for internal weak pull-up. When low-voltage programming is enabled, the interrupt-on-pin change and weak pull-up resistor are disabled. The instruction fetch and execute are divided by four to generate four non-overlapping pipelined such that fetch takes one instruction cycle quadrature clocks namely Q1, Q2, Q3 and Q4. However, due to the pipelining, each instruction every Q1, the instruction is fetched from the program effectively executes in one cycle.

If an instruction memory and latched into the instruction register in Q4. The clocks and instruction Example A fetch cycle begins with the program counter incrementing in Q1. In the execution cycle, the fetched instruction is latched into the Instruction Register IR in cycle Q1. This instruction is then decoded and executed during the Q2, Q3 and Q4 cycles. Data memory is read during Q2 operand read and written during Q4 destination write.

All instructions are single cycle except for any program branches. The SFRs are located in the first 32 memory space. Only the first 1K x 14 hFFh locations of each bank.


Accessing a in each of the four banks. Not a physical register. These registers are static RAM. The special registers can be classified into two sets core and peripheral.

Those related to the operation of the peripheral features are described in the section of that peripheral feature. For the initialization condition for registers tables, refer to Table and Table If the Status register any Status bit. DC or C bits, then the write to these three bits is disabled. These bits are set or cleared according to the Note: The C and DC bits operate as a Borrow device logic. Therefore, the result of an instruction with the subtraction.

For Borrow, the polarity is reversed. To achieve a 1: Interrupt flag bits get set when an interrupt The INTCON register is a readable and writable condition occurs regardless of the state of register, which contains the various enable and flag bits its corresponding enable bit or datashedt global for all interrupt sources except the comparator module. Interrupt flag bits 16f67a set when an interrupt This register contains interrupt flag bits.

User software should ensure the appropriate interrupt flag bits are clear prior to enabling an interrupt. BOR is unknown on Power-on Reset. The tenth PUSH overwrites the second and writable register. On any Reset, the PC is cleared. Figure shows the Note 1: There are no Status bits to indicate stack two 16f627w for loading the PC.

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The upper example overflow or stack underflow conditions. The stack space is not part of either program or data space and the Stack Pointer is not readable or writable. For memory map detail see FigureFigure and Figure RA4 is a Schmitt Trigger ;functions input and an open drain output. All write operations are read-modify-write operations. So a Data write to a port implies that the port pins are first read, Bus D Q then this value is modified and written to the port data VDD latch.

RA5 shares function with VPP. The user must make sure to keep the pins configured as inputs when using them as comparator inputs.

The RA2 pin will also function as the output for the voltage reference. When in this mode, the VREF pin is a very high-impedance output.

Converting PIC Assembly Instruction to machine code – Stack Overflow

Output is open drain type. Connects to crystal resonator in Crystal Fatasheet mode. Reading PORTB register reads the status of the pins, whereas writing to it will write to the port latch.