PIC18F4523-I/PT Microchip Technology, PIC18F4523-I/PT Datasheet - Page 218

• Manufacturer Part Number: PIC18F4523-I/PT
• Description: IC PIC MCU FLASH 16KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4523-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 32KB (16K x 16)
• Package / Case: 44-TQFP, 44-VQFP
• 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: 36
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 13x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: EUSART/I2C/MSSP/SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, 53275-917, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136, DM163022
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2423/2523/4423/4523
FIGURE 18-4:
FIGURE 18-5:
TABLE 18-5:
DS39755B-page 216
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:
Note: This timing diagram shows two consecutive transmissions.
(Interrupt Reg. Flag)
Reg. Empty Flag)
Reg. Empty Flag)
Write to TXREG
(Transmit Buffer
Reg. Empty Flag)
Name
(Transmit Shift
Write to TXREG
(Transmit Shift
BRG Output
(Shift Clock)
BRG Output
(Shift Clock)
TRMT bit
TX (pin)
TXIF bit
TRMT bit
Reserved in 28-pin devices; always maintain these bits clear.
TX (pin)
TXIF bit
EUSART Transmit Register
EUSART Baud Rate Generator Register High Byte
EUSART Baud Rate Generator Register Low Byte
GIE/GIEH PEIE/GIEL TMR0IE
ABDOVF
PSPIE
PSPIP
PSPIF
SPEN
CSRC
Bit 7
REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
1 T
(1)
(1)
(1)
ASYNCHRONOUS TRANSMISSION
ASYNCHRONOUS TRANSMISSION (BACK-TO-BACK)
CY
Word 1
Transmit Shift Reg
Transmit Shift Reg.
Word 1
Word 1
Word 1
RCIDL
ADIE
ADIP
Bit 6
ADIF
RX9
TX9
1 T
CY
Start bit
Start bit
Word 2
SREN
TXEN
RCIF
RCIE
RCIP
Bit 5
—
1 T
CY
bit 0
bit 0
Preliminary
INT0IE
CREN
SYNC
SCKP
TXIE
TXIP
Bit 4
TXIF
bit 1
Word 1
bit 1
Word 1
ADDEN
SENDB
BRG16
SSPIF
SSPIE
SSPIP
RBIE
Bit 3
TMR0IF
CCP1IE
CCP1IP
CCP1IF
BRGH
FERR
Bit 2
—
bit 7/8
bit 7/8
Word 2
Transmit Shift Reg.
TMR2IE
TMR2IP
TMR2IF
Stop bit
INT0IF
OERR
TRMT
© 2007 Microchip Technology Inc.
WUE
Bit 1
Stop bit
Start bit
TMR1IE
TMR1IP
TMR1IF
ABDEN
RX9D
TX9D
RBIF
Bit 0
Word 2
on page
Values
bit 0
Reset
49
52
52
52
51
51
51
51
51
51