PIC18F452-E/PT Microchip Technology, PIC18F452-E/PT Datasheet - Page 98

• Manufacturer Part Number: PIC18F452-E/PT
• Description: IC MCU CMOS 40MHZ 16K FLSH44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F452-E/PT

• 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 ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• 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
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: I2C/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX2
TABLE 9-7:
TABLE 9-8:
DS39564C-page 96
PORTD
LATD
TRISD
TRISE
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used by PORTD.
Legend: ST = Schmitt Trigger input, TTL = TTL input
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
Name
Note 1: Input buffers are Schmitt Triggers when in I/O mode and TTL buffer when in Parallel Slave Port mode.
Name
LATD Data Output Register
PORTD Data Direction Register
Bit 7
RD7
IBF
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
PORTD FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTD
Bit 6
RD6
OBF
IBOV
Bit 5
RD5
Buffer Type
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
ST/TTL
PSPMODE
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Bit 4
RD4
Input/output port pin or parallel slave port bit0.
Input/output port pin or parallel slave port bit1.
Input/output port pin or parallel slave port bit2.
Input/output port pin or parallel slave port bit3.
Input/output port pin or parallel slave port bit4.
Input/output port pin or parallel slave port bit5.
Input/output port pin or parallel slave port bit6.
Input/output port pin or parallel slave port bit7.
Bit 3
RD3
—
PORTE Data Direction bits
Bit 2
RD2
Bit 1
RD1
Function
Bit 0
RD0
© 2006 Microchip Technology Inc.
xxxx xxxx
xxxx xxxx
1111 1111
0000 -111
POR, BOR
Value on
uuuu uuuu
uuuu uuuu
1111 1111
0000 -111
All Other
Value on
RESETS