PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 675

• 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

Glossary
C
Capture
A function of the CCP module in which the value of a timer/counter is “captured”, into a holding
register, when a predetermined event occurs.
CCP
Capture, Compare, Pulse Width Modulation (PWM). This module can be configured to operate
as an input capture, or a timer compare, or a PWM output.
Common RAM
This is a region of the data memory RAM that is the same RAM location across all banks. This
common RAM maybe implemented between addresses 70h -7Fh (inclusive). This common area
is useful for the saving of required variables during context switching (such as during an inter-
rupt).
Compare
A function of the CCP module in which the device will perform an action when a timer’s register
value matches the value in the compare register.
Compare Register
A 16-bit register that contains a value that is compared to the 16-bit TMR1 register. The compare
function triggers when the counter matches the contents of the compare register.
Capture Register
A 16-bit register that gets loaded with the value of the 16-bit TMR1 register when a capture event
occurs.
Configuration Word
This is a location that specifies the characteristics that the device will have for operation (such as
oscillator mode, WDT enable, start-up timer enables). These characteristics can be specified at
time of device programming. For EPROM memory devices, as long as the bit is a '1', it may at a
later time be programmed as a '0'. The device must be erased for a '0' to be returned to a '1'.
Conversion Time (Tconv)
This is related to Analog to Digital (A/D) converters. This is the time that the A/D converter
requires to convert the analog voltage level on the holding capacitor to a digital value.
CPU
Central Processing Unit. Decodes the instructions, and determines the operands that are
needed and the operations that need to be done. Arithmetic, logical, or shift operations will be
passed to the ALU.
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1997 Microchip Technology Inc.
DS31035A-page 35-3