PIC18F23K20-E/SP Microchip Technology, PIC18F23K20-E/SP Datasheet - Page 241

• Manufacturer Part Number: PIC18F23K20-E/SP
• Description: 8 KB Enh Flash, 768 RAM, 25 I/O Pb Free, Nanowatt XLP 28 SPDIP .300in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F23K20-E/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 18-4:
TABLE 18-1:
 2010 Microchip Technology Inc.
INTCON
PIR1
PIE1
IPR1
RCSTA
TXREG
TXSTA
BAUDCON
SPBRGH
SPBRG
Legend: — = unimplemented locations read as ‘0’. Shaded cells are not used for asynchronous transmission.
Note 1:
(Interrupt Reg. Flag)
RC4/C2OUT/TX/CK
Note:
Reg. Empty Flag)
Name
Write to TXREG
(Transmit Shift
BRG Output
(Shift Clock)
TRMT bit
TXIF bit
Reserved in PIC18F2XK20 devices; always maintain these bits clear.
This timing diagram shows two consecutive transmissions.
EUSART Transmit Register
EUSART Baud Rate Generator Register, High Byte
EUSART Baud Rate Generator Register, Low Byte
pin
GIE/GIEH PEIE/GIEL TMR0IE
ABDOVF
PSPIF
PSPIE
PSPIP
CSRC
SPEN
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
(1)
(1)
(1)
ASYNCHRONOUS TRANSMISSION (BACK-TO-BACK)
1 T
CY
Transmit Shift Reg
Word 1
Word 1
RCIDL
ADIF
ADIE
ADIP
Bit 6
RX9
TX9
Start bit
Word 2
DTRXP
SREN
TXEN
RCIE
RCIP
RCIF
Bit 5
1 T
CY
bit 0
CKTXP
INT0IE
CREN
SYNC
Bit 4
TXIF
TXIE
TXIP
bit 1
Word 1
ADDEN
SENDB
BRG16
PIC18F2XK20/4XK20
SSPIF
SSPIE
SSPIP
RBIE
Bit 3
TMR0IF
CCP1IF
CCP1IE
CCP1IP
BRGH
FERR
Bit 2
—
bit 7/8
TMR2IF
TMR2IE
TMR2IP
Word 2
Transmit Shift Reg
INT0IF
OERR
TRMT
Stop bit
WUE
Bit 1
Start bit
TMR1IE
TMR1IP
TMR1IF
ABDEN
DS41303G-page 241
RX9D
TX9D
RBIF
Bit 0
Word 2
on page
Values
Reset
bit 0
59
62
62
62
61
61
61
61
61
61