PIC16F884-E/ML Microchip Technology, PIC16F884-E/ML Datasheet - Page 46

• Manufacturer Part Number: PIC16F884-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F884-E/ML

• Rohs Compliant: YES
• 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: 35
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F882/883/884/886/887
3.2.3.4
Figure 3-4 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose input
• an analog input for the ADC
• a positive voltage reference input for the ADC and
• a positive analog input to Comparator C1
FIGURE 3-4:
DS41291F-page 44
PORTA
PORTA
Data Bus
TRISA
TRISA
CV
WR
WR
RD
RD
Note 1:
REF
D
D
To Comparator (positive input)
To Comparator (V
To A/D Converter (V
To A/D Converter (analog channel)
CK
CK
ANSEL determines Analog Input mode.
RA3/AN3/V
Q
Q
Q
Q
BLOCK DIAGRAM OF RA3
REF
REF
REF
+)
Input Mode
+)
Analog
+/C1IN+
(1)
V
V
DD
SS
I/O Pin
3.2.3.5
Figure 3-5 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a clock input for Timer0
• a digital output from Comparator C1
FIGURE 3-5:
Data Bus
PORTA
PORTA
TRISA
TRISA
WR
WR
RD
RD
D
D
To Timer0
CK
CK
RA4/T0CKI/C1OUT
Q
Q
Q
Q
BLOCK DIAGRAM OF RA4
C1OUT
© 2009 Microchip Technology Inc.
C1OUT
Enable
1
0
V
V
DD
SS
I/O Pin