PIC18F4580-I/P Microchip Technology Inc., PIC18F4580-I/P Datasheet - Page 259

• 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 22-2:
TABLE 22-1:
 2004 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
DS41159D-page 257
Value on
all other
Resets