PIC18F2221-E/SO Microchip Technology, PIC18F2221-E/SO Datasheet - Page 93

• Manufacturer Part Number: PIC18F2221-E/SO
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 SOIC .300in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 4KB (2K x 16)
• 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 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 8-1:
© 2009 Microchip Technology Inc.
INTCON
EEADR
EEDATA
EECON2
EECON1
IPR2
PIR2
PIE2
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used during Flash/EEPROM access.
Name
EEPROM Address Register
EEPROM Data Register
EEPROM Control Register 2 (not a physical register)
GIE/GIEH PEIE/GIEL TMR0IE
OSCFIP
OSCFIE
OSCFIF
EEPGD
Bit 7
REGISTERS ASSOCIATED WITH DATA EEPROM MEMORY
PIC18F2221/2321/4221/4321 FAMILY
CFGS
CMIP
CMIF
CMIE
Bit 6
Bit 5
—
—
—
—
INT0IE
FREE
EEIP
EEIE
Bit 4
EEIF
WRERR
BCLIP
BCLIE
BCLIF
RBIE
Bit 3
TMR0IF
HLVDIP
HLVDIF
HLVDIE
WREN
Bit 2
TMR3IP
TMR3IF
TMR3IE
INT0IF
Bit 1
WR
CCP2IP
CCP2IE
CCP2IF
RBIF
Bit 0
RD
DS39689F-page 93
on page
Values
Reset
55
57
57
57
57
58
58
58