PIC18F4431-I/PT Microchip Technology, PIC18F4431-I/PT Datasheet - Page 118

• Manufacturer Part Number: PIC18F4431-I/PT
• Description: IC PIC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/SPI/SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 9-ch x 10-bit
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
FIGURE 10-12:
DS39616B-page 116
PGC
Enable Debug
From other
RB7:RB4 pins
WR TRISB
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
Set RBIF
WR LATB
(2)
Data Bus
PORTB
/PGD
or ICSP
2: PGC is available on RB6.
3: PGD is available on RB7.
RBPU
or
(3)
(1)
RD PORTB
BLOCK DIAGRAM OF RB7:RB6 PINS
TRIS Latch
D
Data Latch
D
RD LATB
RD TRISC
CK
CK
Enable Debug or ICSP
Q
Q
Q
Q
Q
EN
D
Preliminary
RD PORTB
Q
Enable
Debug
0
1
BRBx
EN
Q3
D
0
BTRISx
Q1
1
TTL
Input
Buffer
Enable
Debug
P
Weak
Pull-up
Schmitt
Trigger
 2003 Microchip Technology Inc.
RB7/RB6
Pin