PIC16F876-20/SO Microchip Technology, PIC16F876-20/SO Datasheet - Page 367

• Manufacturer Part Number: PIC16F876-20/SO
• Description: IC MCU FLASH 8KX14 EE 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F876-20/SO

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 28-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• 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, 5 Channel
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Data Rom Size: 256 B
• A/d Bit Size: 10 bit
• A/d Channels Available: 5
• Height: 2.31 mm
• Length: 17.87 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4 V
• Width: 7.49 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MIL309-1073 - ADAPTER 28-SOIC TO 28-SOIC309-1024 - ADAPTER 28-SOIC TO 28-DIP309-1023 - ADAPTER 28-SOIC TO 28-DIP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

19.8
1997 Microchip Technology Inc.
Initialization
Example 19-1
Example 19-1:
MOVLW
MOVWF
BSF
MOVLW
MOVWF
MOVLW
MOVWF
BCF
CALL
shows the steps to configure the voltage reference module.
Section 19. Voltage Reference
0x02
CMCON
STATUS,RP0
0x07
TRISA
0xA6
VRCON
STATUS,RP0
DELAY10
Voltage Reference Configuration
; 4 Inputs Muxed to 2 comparators
;
; go to Bank1
; RA3:RA0 are outputs
; outputs
; enable VREF
; low range set VR3:VR0 = 6
; go to Bank0
; 10
s delay
DS31019A-page 19-7
19