PIC16F884-E/ML Microchip Technology, PIC16F884-E/ML Datasheet - Page 62

• 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
3.7.1
This pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
3.7.2
This pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
3.7.3
This pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog input for the ADC
FIGURE 3-21:
TABLE 3-5:
DS41291F-page 60
ANSEL
PORTE
TRISE
Legend:
Data Bus
PORTE
PORTE
TRISE
TRISE
WR
WR
RD
RD
Note 1: RE0/AN5 is available on PIC16F884/887
Note 1: RE1/AN6 is available on PIC16F884/887
Note 1: RE2/AN7 is available on PIC16F884/887
Note 1:
Name
D
D
To A/D Converter
CK
CK
x = unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by PORTE
RE0/AN5
RE2/AN7
RE1/AN6
only.
only.
only.
ANSEL determines Analog Input mode.
ANS7
Bit 7
Q
Q
Q
Q
—
—
SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
ANS6
(1)
(1)
Bit 6
BLOCK DIAGRAM OF
RE<2:0>
(1)
—
—
Input Mode
Analog
ANS5
Bit 5
—
—
(1)
ANS4
Bit 4
—
—
V
V
DD
SS
TRISE3
ANS3
I/O Pin
Bit 3
RE3
TRISE2
ANS2
Bit 2
RE2
3.7.4
Figure 3-22 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset with weak pull-up
FIGURE 3-22:
Data Bus
PORTE
TRISE1
TRISE
ANS1
RD
RD
Bit 1
RE1
TRISE0
RE3/MCLR/V
ANS0
Bit 0
RE0
Reset
MCLRE
BLOCK DIAGRAM OF RE3
1111 1111
---- xxxx
---- 1111
V
POR, BOR
© 2009 Microchip Technology Inc.
Value on
SS
PP
MCLRE
MCLRE
all other Resets
1111 1111
---- uuuu
---- 1111
V
DD
Value on
Weak
V
SS
Input
Pin