PIC16F876-20I/SP Microchip Technology, PIC16F876-20I/SP Datasheet - Page 32

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

Specifications of PIC16F876-20I/SP

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 28-DIP (0.300", 7.62mm)
• 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: + 85 C
• Mounting Style: Through Hole
• 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: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F87X
TABLE 3-1:
TABLE 3-2:
DS30292C-page 30
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4
Legend: TTL = TTL input, ST = Schmitt Trigger input
Address
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'.
Note:
9Fh
05h
85h
Name
Shaded cells are not used by PORTA.
When using the SSP module in SPI Slave mode and SS enabled, the A/D converter must be set to one of
the following modes, where PCFG3:PCFG0 = 0100,0101, 011x, 1101, 1110, 1111.
PORTA
TRISA
ADCON1 ADFM
REF
Name
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
Bit 7
—
—
Buffer
TTL
TTL
TTL
TTL
TTL
Bit 6
ST
—
—
—
PORTA Data Direction Register
Input/output or analog input.
Input/output or analog input.
Input/output or analog input.
Input/output or analog input or V
Input/output or external clock input for Timer0. Output is open drain type.
Input/output or slave select input for synchronous serial port or analog input.
Bit 5
RA5
—
Bit 4
RA4
—
PCFG3 PCFG2 PCFG1 PCFG0
Bit 3
RA3
Bit 2
RA2
REF.
Function
Bit 1
RA1
Bit 0
RA0
2001 Microchip Technology Inc.
--0x 0000
--11 1111
--0- 0000
Value on:
POR,
BOR
Value on all
--0u 0000
--11 1111
--0- 0000
RESETS
other