PIC18F2331-E/SP Microchip Technology, PIC18F2331-E/SP Datasheet - Page 120

• 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 10-12:
DS39616C-page 118
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
PGC
Enable Debug
From other
RB7:RB4 pins
Set RBIF
(2)
or ICSP™
2: PGC is available on RB6.
3: PGD is available on RB7.
/PGD
(3)
Data Bus
WR LATB
or PORTB
WR TRISB
BLOCK DIAGRAM OF RB7:RB6
RD PORTB
D
D
TRIS Latch
Data Latch
RD TRISB
RD LATB
CK
CK
Enable Debug or ICSP™
RBPU
Q
Q
Q
Q
(1)
Q
Preliminary
EN
D
RD PORTB
Q
Enable
Debug
0
RBx
1
Q3
EN
D
0
TRISBx
Q1
1
TTL
Input
Buffer
Enable
Debug
V
P
DD
Weak
Pull-up
© 2007 Microchip Technology Inc.
Schmitt
Trigger
RB7/RB6 Pin