PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 4

• Manufacturer Part Number: PIC16F874-20/L
• Description: IC MCU FLASH 4KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874-20/L

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 192 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

SECTION 5. CPU AND ALU
SECTION 6. MEMORY ORGANIZATION
SECTION 7. DATA EEPROM
SECTION 8. INTERRUPTS
DS00097D-page iv
Introduction .......................................................................................................................................................5-2
General Instruction Format ...............................................................................................................................5-4
Central Processing Unit (CPU) .........................................................................................................................5-4
Instruction Clock ...............................................................................................................................................5-4
Arithmetic Logical Unit (ALU) ...........................................................................................................................5-5
STATUS Register .............................................................................................................................................5-6
OPTION_REG Register ...................................................................................................................................5-8
PCON Register .................................................................................................................................................5-9
Design Tips ....................................................................................................................................................5-10
Related Application Notes ..............................................................................................................................5-11
Revision History .............................................................................................................................................5-12
Introduction .......................................................................................................................................................6-2
Program Memory Organization ........................................................................................................................6-2
Data Memory Organization ..............................................................................................................................6-8
Initialization .....................................................................................................................................................6-14
Design Tips ....................................................................................................................................................6-16
Related Application Notes ..............................................................................................................................6-17
Revision History .............................................................................................................................................6-18
Introduction .......................................................................................................................................................7-2
Control Register ...............................................................................................................................................7-3
EEADR .............................................................................................................................................................7-4
EECON1 and EECON2 Registers ....................................................................................................................7-4
Reading the EEPROM Data Memory ...............................................................................................................7-5
Writing to the EEPROM Data Memory .............................................................................................................7-5
Write Verify .......................................................................................................................................................7-6
Protection Against Spurious Writes ..................................................................................................................7-7
Data EEPROM Operation During Code Protected Configuration ....................................................................7-7
Initialization .......................................................................................................................................................7-7
Design Tips ......................................................................................................................................................7-8
Related Application Notes ................................................................................................................................7-9
Revision History .............................................................................................................................................7-10
Introduction .......................................................................................................................................................8-2
Control Registers ..............................................................................................................................................8-5
Interrupt Latency ............................................................................................................................................8-10
INT and External Interrupts ............................................................................................................................8-10
Context Saving During Interrupts ...................................................................................................................8-11
Initialization .....................................................................................................................................................8-14
Design Tips ....................................................................................................................................................8-16
Related Application Notes ..............................................................................................................................8-17
Revision History .............................................................................................................................................8-18
Table of Contents
1997 Microchip Technology Inc.
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