PIC18F452-I/ML Microchip Technology, PIC18F452-I/ML Datasheet - Page 179

• Manufacturer Part Number: PIC18F452-I/ML
• Description: IC MCU FLASH 16KX16 A/D 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F452-I/ML

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 34
• 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-QFN
• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44QFN2 - SOCKET TRAN ICE 44QFN/40DIP444-1001 - DEMO BOARD FOR PICMICRO MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

FIGURE 16-6:
FIGURE 16-7:
© 2006 Microchip Technology Inc.
RC7/RX/DT
pin
RC6/TX/CK
pin
TXREG Reg
TXIF bit
(Interrupt Flag)
TRMT bit
TXEN bit
Write to
Note:
TRMT
RC7/RX/DT pin
RC6/TX/CK pin
Sync Master mode; SPBRG = '0'. Continuous transmission of two 8-bit words.
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
'1'
TXREG reg
TRMT bit
TXEN bit
Write to
TXIF bit
Write Word1
SYNCHRONOUS TRANSMISSION
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
bit 0
Write Word2
bit 1
Word 1
bit0
bit 2
bit1
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
bit2
bit 0
Word 2
bit 1
bit6
PIC18FXX2
bit7
DS39564C-page 177
bit 7
'1'