PIC16F884-E/PT Microchip Technology, PIC16F884-E/PT Datasheet - Page 44

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

Specifications of PIC16F884-E/PT

• 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-TQFP, 44-VQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: MSSP, EUSART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 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, DM164120-2
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 14 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F882/883/884/886/887
3.2.3
Each PORTA pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the comparator or the A/D Converter (ADC),
refer to the appropriate section in this data sheet.
FIGURE 3-1:
DS41291F-page 42
PIN DESCRIPTIONS AND
DIAGRAMS
Data Bus
PORTA
PORTA
TRISA
TRISA
Note 1:
WR
WR
RD
RD
BLOCK DIAGRAM OF RA0
D
D
ANSEL determines Analog Input mode.
CK
CK
Q
Q
Q
Q
To Comparator
To A/D Converter
Input Mode
Analog
(1)
3.2.3.1
Figure 3-1 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• a negative analog input to Comparator C1 or C2
• an analog input for the Ultra Low-Power Wake-up
0
1
+
-
ULPWUE
RA0/AN0/ULPWU/C12IN0-
I
ULP
V
SS
V
TRG
© 2009 Microchip Technology Inc.
V
V
DD
SS
I/O Pin