PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 135

• Manufacturer Part Number: PIC18F2331-E/SP
• Description: IC MCU FLASH 4KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2331-E/SP

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB18F4431 - BOARD DAUGHTER ICEPIC3AC164035 - MODULE SKT FOR 18F2X31 28SOICDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

REGISTER 10-1:
TABLE 10-9:
TABLE 10-10: SUMMARY OF REGISTERS ASSOCIATED WITH PORTE
© 2007 Microchip Technology Inc.
PORTE
LATE
TRISE
ANSEL0
ANSEL1
Legend:
Note 1:
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-3
bit 2
bit 1
bit 0
RE0/AN6
RE1/AN7
RE2/AN8
MCLR/V
Legend: ST = Schmitt Trigger input
Name
U-0
—
Name
2:
PP
x = unknown, u = unchanged, - = unimplemented, read as ‘0’, q = value depends on condition.
Shaded cells are not used by PORTE.
Implemented only when Master Clear functionality is disabled (CONFIG3H<7> = 0).
ANS5 through ANS8 are available only on PIC18F4331/4431 devices.
/RE3
ANS7
Bit 7
—
—
—
—
Unimplemented: Read as ‘0’
TRISE2: RE2 Direction Control bit
1 = Input
0 = Output
TRISE1: RE1 Direction Control bit
1 = Input
0 = Output
TRISE0: RE0 Direction Control bit
1 = Input
0 = Output
(2)
PORTE FUNCTIONS
U-0
—
Bit #
ANS6
bit 0
bit 1
bit 2
bit 3
TRISE REGISTER
Bit 6
—
—
—
—
(2)
W = Writable bit
‘1’ = Bit is set
Buffer Type
ANS5
Bit 5
—
—
—
—
U-0
ST
ST
ST
ST
—
(2)
ANS4
Bit 4
—
—
—
—
PIC18F2331/2431/4331/4431
Input/output port pin or analog input.
Input/output port pin or analog input.
Input/output port pin or analog input.
Input only port pin or programming voltage input (if MCLR is disabled);
Master Clear input or programming voltage input (if MCLR is enabled).
U-0
—
Preliminary
RE3
ANS3
Bit 3
—
—
—
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
LATE Data Output Register
PORTE Data Direction Register
ANS2
Bit 2
RE2
U-0
—
—
ANS1
Bit 1
RE1
—
Function
TRISE2
R/W-1
ANS8
ANS0
Bit 0
RE0
(2)
x = Bit is unknown
TRISE1
---- q000
---- -xxx
---- -111
1111 1111
---- ---1
R/W-1
POR, BOR
Value on
DS39616C-page 133
---- q000
---- -uuu
---- -111
1111 1111
---- ---1
TRISE0
Value on
R/W-1
all other
Resets
bit 0