PIC18F4580-I/P Microchip Technology Inc., PIC18F4580-I/P Datasheet - Page 99

• 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 9-4:
 2004 Microchip Technology Inc.
Note 1: I/O pins have diode protection to V
RBPU
Data Bus
WR LATB
or
WR PORTB
WR TRISB
RD TRISB
RD LATB
RBx/INTx
RD PORTB
Set RBIF
From other
RB7:RB4 pins
2: To enable weak pull-ups, set the appropriate TRIS
(2)
bit(s) and clear the RBPU bit (INTCON2 register).
Data Latch
TRIS Latch
D
D
CK
CK
RB7:RB4 PINS BLOCK
DIAGRAM
Q
Q
Q
Q
Latch
EN
EN
D
TTL
Input
Buffer
D
DD
and V
V
P
DD
Weak
Pull-up
I/O pin
SS
Buffer
.
Q1
Q3
ST
(1)
FIGURE 9-5:
Note 1: I/O pins have diode protection to V
RBPU
Data Bus
WR TRIS
RD TRIS
RD Port
RBx/INTx
WR Port
2: To enable weak pull-ups, set the appropriate TRIS
(2)
bit(s) and clear the RBPU bit (INTCON2 register).
TRIS Latch
Data Latch
D
D
CK
CK
RB1:RB0 PINS BLOCK
DIAGRAM
Q
Q
PIC18FXX8
Q
Schmitt Trigger
Buffer
EN
DS41159D-page 97
D
DD
TTL
Input
Buffer
and V
V
P
DD
SS
Weak
Pull-up
I/O pin
.
(1)