PIC16F876AT-E/SS Microchip Technology, PIC16F876AT-E/SS Datasheet - Page 44

• Manufacturer Part Number: PIC16F876AT-E/SS
• Description: IC MCU FLASH 8KX14 W/AD 28-SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F876AT-E/SS

• 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
• 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 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F87XA
FIGURE 4-2:
FIGURE 4-3:
DS39582B-page 42
Note 1: I/O pin has protection diodes to V
CMCON<2:0> = 011 or 101
C2OUT
Data Bus
WR PORTA
WR TRISA
RD TRISA
RD PORTA
A/D Converter or SS Input
BLOCK DIAGRAM OF RA4/T0CKI PIN
BLOCK DIAGRAM OF RA5 PIN
CMCON<2:0> = x01 or 011
C1OUT
Data Bus
WR PORTA
WR TRISA
RD TRISA
RD PORTA
TMR0 Clock Input
Note 1: I/O pin has protection diodes to V
TRIS Latch
Data Latch
D
D
CK
CK
Q
Q
Q
Q
Data Latch
TRIS Latch
D
D
CK
CK
Q
Q
Q
Q
1
0
DD
and V
1
0
SS
SS
.
only.
Q
Q
EN
Schmitt
Trigger
Input
Buffer
EN
EN
V
V
P
N
D
SS
DD
EN
V
D
N
SS
Analog
I
IP
Mode
I/O pin
 2003 Microchip Technology Inc.
(1)
TTL
Input
Buffer
I/O pin
(1)