PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 129
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PIC18F4431-I/P
Manufacturer Part Number
PIC18F4431-I/P
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4431-IP.pdf
(396 pages)
Specifications of PIC18F4431-I/P
A/d Inputs
9-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
16K Bytes
Ram Size
768 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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FIGURE 10-26:
FIGURE 10-27:
2003 Microchip Technology Inc.
Note 1: The SDO output is multiplexed by SSPMX bit in the configuration register.
Note 1: T0CKI/T5CKI are multiplexed by SSPMX bit in the configuration register.
T0CKI/T5CKI Input
PORT/SPI Mode & SSPMX Select
SDO Data Out
RD PORTD
RD PORTD
WR TRISD
WR TRISD
WR LATD
WR LATD
Data Bus
Data Bus
PORTD
PORTD
or
or
BLOCK DIAGRAM OF RD1
BLOCK DIAGRAM OF RD0
TRIS Latch
Data Latch
TRIS Latch
D
D
Data Latch
D
D
RD TRISD
CK
RD TRISD
CK
CK
CK
RD LATD
RD LATD
Q
Q
Q
Q
Q
Q
Q
Q
PIC18F2331/2431/4331/4431
Preliminary
0
1
Q
Q
EN
EN
D
D
V
V
V
N
V
P
SS
N
P
SS
DD
DD
Schmitt
Trigger
Schmitt
Trigger
SSPMX
RD0 Pin
RD1 Pin
(1)
DS39616B-page 127
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