PIC18F452-I/PT Microchip Technology Inc., PIC18F452-I/PT Datasheet - Page 98
PIC18F452-I/PT
Manufacturer Part Number
PIC18F452-I/PT
Description
44 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F452-IPT.pdf
(332 pages)
Specifications of PIC18F452-I/PT
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin TQFP
Programmable Memory
32K Bytes
Ram Size
1.5K Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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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
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