PIC18F458-I/PTG Microchip Technology, PIC18F458-I/PTG Datasheet - Page 196

• Manufacturer Part Number: PIC18F458-I/PTG
• Description: IC MCU FLASH 16KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F458-I/PTG

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• 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 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 18-6:
FIGURE 18-7:
DS41159E-page 194
PIC18FXX8
RC7/RX/DT
pin
RC6/TX/CK
pin
TXREG Reg
TXIF bit
(Interrupt Flag)
TRMT bit
TXEN bit
Write to
Note: Sync Master mode; SPBRG = 0; continuous transmission of two 8-bit words.
TRMT
RC7/RX/DT pin
RC6/TX/CK pin
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
TXREG Reg
‘1’
TRMT bit
TXEN bit
TXIF bit
Write to
Write Word 1
SYNCHRONOUS TRANSMISSION
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
bit 0
Write Word 2
bit 1
Word 1
bit 0
bit 2
bit 1
Q3
Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
bit 7
bit 2
bit 0
Word 2
bit 1
bit 6
© 2006 Microchip Technology Inc.
bit 7
bit 7
‘1’