PIC18F4220-I/ML Microchip Technology, PIC18F4220-I/ML Datasheet - Page 231

• Manufacturer Part Number: PIC18F4220-I/ML
• Description: IC MCU FLASH 2KX16 EEPROM 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4220-I/ML

• Core Size: 8-Bit
• Program Memory Size: 4KB (2K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIPAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

FIGURE 21-2:
TABLE 21-1:
© 2007 Microchip Technology Inc.
CVRCON CVREN CVROE
CMCON
TRISA
Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’.
Note 1:
Name
Shaded cells are not used with the comparator voltage reference.
These pins are enabled based on oscillator configuration (see Configuration Register 1H).
C2OUT
Note 1: R is dependent upon the voltage reference configuration bits (CVRCON<3:0> and CVRCON<5>).
RA7
Bit 7
(1)
REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
CV
Module
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
C1OUT
RA6
REF
Bit 6
(1)
Impedance
Reference
Voltage
Output
C2INV
CVRR
Bit 5
RA5
R
(1)
C1INV
Bit 4
RA4
RA2
—
PIC18F2220/2320/4220/4320
CVR3
Bit 3
RA3
CIS
CVR2
Bit 2
CM2
RA2
+
–
CVR1
Bit 1
CM1
RA1
CVR0
Bit 0
CM0
RA0
CV
REF
000- 0000 000- 0000
0000 0111 0000 0111
1111 1111 1111 1111
Output
Value on
POR
DS39599G-page 229
Value on
all other
Resets