PIC18F458T-I/PT Microchip Technology, PIC18F458T-I/PT Datasheet - Page 259

• 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 22-2:
TABLE 22-1:
© 2006 Microchip Technology Inc.
CVRCON
CMCON
TRISA
Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’.
Name
Shaded cells are not used with the comparator voltage reference.
CVREN CVROE
C2OUT C1OUT
Note 1: R is dependent upon the voltage reference configuration CVRCON<3:0> and CVRCON<5>.
Bit 7
—
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Module
CV
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 -111 1111 -111 1111
REF
Bit 6
Impedance
Reference
Voltage
Output
C2INV
CVRR
R
Bit 5
(1)
RA0/AN0
CVRSS
C1INV
Bit 4
•
CVR3
Bit 3
CIS
CVR2
Bit 2
CM2
+
–
CVR1
Bit 1
CM1
•
CVR0
Bit 0
CM0
CV
PIC18FXX8
REF
0000 0000 0000 0000
0000 0000 0000 0000
Output
Value on
POR
DS41159E-page 257
Value on
all other
Resets