PIC16F676-E/ML Microchip Technology, PIC16F676-E/ML Datasheet - Page 25

• Manufacturer Part Number: PIC16F676-E/ML
• Description: 1.75KB Flash, 64 RAM, 12 I/O 16 QFN 4x4mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F676-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFN
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

3.2.3.3
Figure 3-2 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the A/D (PIC16F676 only)
• a digital output from the comparator
• the clock input for TMR0
• an external edge triggered interrupt
FIGURE 3-2:
 2010 Microchip Technology Inc.
PORTA
PORTA
Data Bus
WPUA
WPUA
TRISA
TRISA
Interrupt-on-Change
IOCA
IOCA
WR
WR
WR
WR
RD
RD
RD
RD
D
D
D
D
To TMR0
To INT
To A/D Converter
CK
CK
CK
CK
RA2/AN2/T0CKI/INT/COUT
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
BLOCK DIAGRAM OF RA2
Analog
Enable
COUT
COUT
RAPU
Input Mode
RD PORTA
Analog
1
0
Q
Q
Analog
Mode
Input
EN
EN
D
D
V
DD
Weak
V
V
DD
SS
I/O pin
3.2.3.4
Figure 3-3 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset
FIGURE 3-3:
Data Bus
PORTA
Interrupt-on-Change
IOCA
IOCA
TRISA
WR
RD
RD
RD
D
CK
RA3/MCLR/V
PIC16F630/676
Q
Q
Reset
BLOCK DIAGRAM OF RA3
V
SS
PP
RD PORTA
MCLRE
Q
Q
MCLRE
EN
EN
DS40039F-page 25
D
D
V
SS
I/O pin