PIC18F4580-I/P Microchip Technology Inc., PIC18F4580-I/P Datasheet - Page 100

• Manufacturer Part Number: PIC18F4580-I/P
• Description: 40 PIN, 32 KB FLASH, 1536 RAM, 36 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4580-I/P

• A/d Inputs: 11-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: CAN/I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8 bit, 3-16 bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 9-6:
FIGURE 9-7:
DS41159D-page 98
PIC18FXX8
RD TRISB
OPMODE2:OPMODE0 = 000
ENDRHI
CANTX
RD LATB
Data Bus
WR PORTB or
WR LATB
WR TRISB
RD PORTB
Note 1: I/O pin has diode protection to V
Note 1: I/O pins have diode protection to V
2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
RB2/CANTX/INT2 PIN BLOCK DIAGRAM
RB3/CANRX PIN BLOCK DIAGRAM
CANCON<7:5>
RBPU
Data Bus
WR LATB or PORTB
WR TRISB
RD TRISB
RD LATB
RD PORTB
RB3 or CANRX
(2)
TRIS Latch
Data Latch
D
D
CK
CK
.
Q
Q
Q
Q
DD
Schmitt Trigger
Buffer
DD
and V
and V
0
1
TRIS Latch
Data Latch
SS
D
D
CK
CK
.
SS
.
Q
Q
Q
Q
EN
D
TTL
Input
Buffer
EN
D
V
P
DD
Weak
Pull-up
I/O pin
 2004 Microchip Technology Inc.
(1)
V
V
P
N
DD
SS
RB2/CANTX/
INT2 pin
Schmitt
Trigger
(1)