PIC18F2221-E/ML Microchip Technology, PIC18F2221-E/ML Datasheet - Page 229

• Manufacturer Part Number: PIC18F2221-E/ML
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 QFN 6x6mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/ML

• 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-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 19-12:
TABLE 19-7:
© 2009 Microchip Technology Inc.
INTCON
PIR1
PIE1
IPR1
RCSTA
TXREG
TXSTA
BAUDCON
SPBRGH
SPBRG
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used for synchronous master transmission.
Note 1:
Name
RC7/RX/DT pin
These bits are unimplemented on 28-pin devices and read as ‘0’.
RC6/TX/CK pin
EUSART Transmit Register
EUSART Baud Rate Generator Register High Byte
EUSART Baud Rate Generator Register Low Byte
GIE/GIEH PEIE/GIEL TMR0IE
TXREG reg
ABDOVF
PSPIE
PSPIP
PSPIF
CSRC
SPEN
TRMT bit
TXEN bit
Bit 7
REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
TXIF bit
Write to
(1)
(1)
(1)
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
PIC18F2221/2321/4221/4321 FAMILY
RCIDL
ADIE
ADIP
ADIF
Bit 6
RX9
TX9
RXDTP
SREN
TXEN
RCIE
RCIP
RCIF
Bit 5
bit 0
TXCKP
INT0IE
CREN
SYNC
TXIF
TXIE
TXIP
Bit 4
bit 1
ADDEN
SENDB
BRG16
SSPIE
SSPIP
SSPIF
RBIE
Bit 3
bit 2
TMR0IF
CCP1IF
CCP1IE
CCP1IP
BRGH
FERR
Bit 2
—
bit 6
TMR2IF
TMR2IE
TMR2IP
INT0IF
OERR
TRMT
WUE
Bit 1
bit 7
TMR1IE
TMR1IP
TMR1IF
ABDEN
RX9D
TX9D
RBIF
Bit 0
DS39689F-page 229
on page
Values
Reset
55
58
58
58
57
57
57
57
57
57