PIC16F874-20/L Microchip Technology, PIC16F874-20/L Datasheet - Page 8

• 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 19. VOLTAGE REFERENCE
SECTION 20. COMPARATOR
SECTION 21. 8-BIT A/D CONVERTER
DS00097D-page viii
Introduction .....................................................................................................................................................19-2
Control Register .............................................................................................................................................19-3
Configuring the Voltage Reference ................................................................................................................19-4
Voltage Reference Accuracy/Error .................................................................................................................19-5
Operation During Sleep ..................................................................................................................................19-5
Effects of a Reset ...........................................................................................................................................19-5
Connection Considerations ............................................................................................................................19-6
Initialization .....................................................................................................................................................19-7
Design Tips ....................................................................................................................................................19-8
Related Application Notes ..............................................................................................................................19-9
Revision History ...........................................................................................................................................19-10
Introduction .....................................................................................................................................................20-2
Control Register .............................................................................................................................................20-3
Comparator Configuration ..............................................................................................................................20-4
Comparator Operation ....................................................................................................................................20-6
Comparator Reference ...................................................................................................................................20-6
Comparator Response Time ..........................................................................................................................20-8
Comparator Outputs .......................................................................................................................................20-8
Comparator Interrupts ....................................................................................................................................20-9
Comparator Operation During SLEEP ...........................................................................................................20-9
Effects of a RESET ........................................................................................................................................20-9
Analog Input Connection Considerations .....................................................................................................20-10
Initialization ...................................................................................................................................................20-11
Design Tips ..................................................................................................................................................20-12
Related Application Notes ............................................................................................................................20-13
Revision History ...........................................................................................................................................20-14
Introduction .....................................................................................................................................................21-2
Control Registers ............................................................................................................................................21-3
Operation ........................................................................................................................................................21-5
A/D Acquisition Requirements ........................................................................................................................21-6
Selecting the A/D Conversion Clock ..............................................................................................................21-8
Configuring Analog Port Pins .........................................................................................................................21-9
A/D Conversions ..........................................................................................................................................21-10
A/D Operation During Sleep .........................................................................................................................21-12
A/D Accuracy/Error .......................................................................................................................................21-13
Effects of a RESET ......................................................................................................................................21-13
Use of the CCP Trigger ................................................................................................................................21-14
Connection Considerations ..........................................................................................................................21-14
Transfer Function .........................................................................................................................................21-14
Initialization ...................................................................................................................................................21-15
Design Tips ..................................................................................................................................................21-16
Related Application Notes ............................................................................................................................21-17
Revision History ...........................................................................................................................................21-18
Table of Contents
1997 Microchip Technology Inc.
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