PIC16F877AT-I/L Microchip Technology, PIC16F877AT-I/L Datasheet - Page 12

• Manufacturer Part Number: PIC16F877AT-I/L
• Description: IC MCU CMOS 20MHZ 8K FLSH 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877AT-I/L

• 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: 33
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 1 x 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 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: - 40 C
• On-chip Adc: 8
• For Use With: DVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87XA
TABLE 1-3:
DS39582B-page 10
OSC1/CLKI
OSC2/CLKO
MCLR/V
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/C1OUT
RA5/AN4/SS/C2OUT
Legend:
Note 1:
OSC1
CLKI
OSC2
CLKO
MCLR
V
RA0
AN0
RA1
AN1
RA2
AN2
V
CV
RA3
AN3
V
RA4
T0CKI
C1OUT
RA5
AN4
SS
C2OUT
REF
REF
PP
Pin Name
REF
2:
3:
PP
-
+
REF
REF
I = input
— = Not used
This buffer is a Schmitt Trigger input when configured as the external interrupt.
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
-/CV
+
REF
PIC16F874A/877A PINOUT DESCRIPTION
PDIP
Pin#
13
14
1
2
3
4
5
6
7
O = output
TTL = TTL input
PLCC
Pin#
14
15
2
3
4
5
6
7
8
TQFP
Pin#
30
31
18
19
20
21
22
23
24
QFN
Pin#
I/O = input/output
ST = Schmitt Trigger input
32
33
18
19
20
21
22
23
24
I/O/P
Type
I/O
I/O
I/O
I/O
I/O
I/O
O
O
P
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
ST/CMOS
Buffer
Type
TTL
TTL
TTL
TTL
TTL
ST
ST
—
(4)
P = power
Oscillator crystal or external clock input.
Oscillator crystal or clock output.
Master Clear (input) or programming voltage (output).
PORTA is a bidirectional I/O port.
input. ST buffer when configured in RC mode;
otherwise CMOS.
with pin function OSC1 (see OSC1/CLKI,
OSC2/CLKO pins).
Oscillator mode.
has 1/4 the frequency of OSC1 and denotes the
instruction cycle rate.
low Reset to the device.
Oscillator crystal input or external clock source
External clock source input. Always associated
Oscillator crystal output.
Connects to crystal or resonator in Crystal
In RC mode, OSC2 pin outputs CLKO, which
Master Clear (Reset) input. This pin is an active
Programming voltage input.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D reference voltage (Low) input.
Comparator V
Digital I/O.
Analog input 3.
A/D reference voltage (High) input.
Digital I/O – Open-drain when configured as
output.
Timer0 external clock input.
Comparator 1 output.
Digital I/O.
Analog input 4.
SPI slave select input.
Comparator 2 output.
 2003 Microchip Technology Inc.
REF
Description
output.