PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 114

• 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

PIC18F2331/2431/4331/4431
FIGURE 10-6:
FIGURE 10-7:
DS39616C-page 112
Data
Bus
WR LATA
or PORTA
RD PORTA
Data
Bus
WR LATA
or PORTA
WR TRISA
RD PORTA
To A/D Converter/LVD Module Input
EC/ECIO or RC/RCIO
Enable
RD TRISA
TRIS Latch
Data Latch
TRIS Latch
Data Latch
D
D
D
D
CK
CK
CK
CK
RD LATA
RD LATA
RD TRISA
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
Q
Q
Q
BLOCK DIAGRAM OF RA6
Q
EC/ECIO or
RC/RCIO Enable
Q
EN
Analog
Input
Mode or
LVDIN
Enabled
D
V
V
P
N
DD
SS
EN
V
V
D
P
N
DD
SS
Oscillator
To
TTL
Input
Buffer
I/O Pin
I/O Pin
TTL
Input
Buffer
Preliminary
FIGURE 10-8:
Data
Bus
WR LATA
or PORTA
RD PORTA
INTOSC Enable
RD TRISA
TRIS Latch
Data Latch
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA7
© 2007 Microchip Technology Inc.
INTOSC
w/RA7 Enable
Q
EN
D
V
V
N
P
DD
SS
Oscillator
To
I/O Pin
TTL
Input
Buffer