Questions and Answers
What is the capacity of the program memory in the PIC 16F877 chip?
14.3 Kbyte
Which section of the PIC 16F877 memory is used to store the programs written by the user?
Program memory
In which bank is the default bank for accessing the special function register (SFR)?
BANK0
How many bytes does each bank in the special function register file (SFR) contain?
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Which addressing mode uses a number or constant as an operand?
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Which part of the PIC 16F877 memory is used to store non-volatile data?
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Which addressing mode involves transferring data directly after the opcode?
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In which addressing mode is the operand a register that holds the data to be executed?
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Which type of addressing mode deals with the address or the memory location?
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What type of addressing mode is convenient for manipulating data arrays located in general purpose registers?
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Which register is used for indirect or indexed addressing of the other file registers?
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Which register holds the address indicated by the FSR in indirect addressing?
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What does the MOVLW instruction mean in English?
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What is the capacity of the status register?
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Which section of the PIC 16F877 memory contains the programs written by the user?
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What is the capacity of the data EEPROM in the PIC 16F877 chip?
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Which addressing mode involves transferring data directly after the opcode?
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How many bytes does each bank in the special function register file (SFR) contain?
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What is the capacity of the program memory in the PIC 16F877 chip?
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Which register is available in all banks and is accessible at any time, regardless of the selected bank?
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What type of addressing mode deals with the registers like CLR W?
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Which addressing mode involves transferring data directly after the opcode?
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What is the capacity of the FSR register?
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Which addressing mode is used for manipulating data arrays located in GPR registers?
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What is the capacity of the status register?
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Which register is used for indirect or indexed addressing of the other file registers?
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In which addressing mode does the operand hold the data to be executed?
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Which addressing mode uses an address of Memory location as the operand?
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What does the MOVLW instruction mean in English?
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How many bits is the W register?
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Study Notes
PIC 16F877 Memory
- The program memory capacity in the PIC 16F877 chip is 14KB.
- The program memory is used to store the programs written by the user.
Special Function Register (SFR)
- Each bank in the SFR contains 256 bytes.
- The default bank for accessing the SFR is Bank 0.
Addressing Modes
- Implied addressing mode uses a number or constant as an operand.
- Immediate addressing mode involves transferring data directly after the opcode.
- Register addressing mode involves transferring data from/to a register.
- Indexed addressing mode deals with the address or memory location.
- Indirect addressing mode is convenient for manipulating data arrays located in general purpose registers.
Registers
- FSR (File Select Register) is used for indirect or indexed addressing of the other file registers.
- The FSR register holds the address indicated by the FSR in indirect addressing.
- The W register is used for storing data temporarily.
- The W register is 8-bit wide.
Instructions
- MOVLW instruction means "Move Literal to W" in English.
Status Register
- The status register capacity is 8 bits.
Data EEPROM
- The data EEPROM capacity in the PIC 16F877 chip is 256 bytes.
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Description
This quiz covers the memory organization of the PIC16F877A microcontroller, including the division of memory into program memory and data memory, as well as the components of the data memory such as the general purpose register file and special function register file (SFR). Test your understanding of computer architectures in relation to PIC microcontroller programming.
