PIC18F458T-I/PT Microchip Technology, PIC18F458T-I/PT Datasheet - Page 100

• Manufacturer Part Number: PIC18F458T-I/PT
• Description: IC MCU FLASH 16KX16 W/CAN 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F458T-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 9-6:
FIGURE 9-7:
DS41159E-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
© 2006 Microchip Technology Inc.
(1)
V
V
P
N
DD
SS
RB2/CANTX/
INT2 pin
Schmitt
Trigger
(1)