PIC18F4431-I/PT Microchip Technology Inc., PIC18F4431-I/PT Datasheet - Page 110
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F4431-I/PT
Manufacturer Part Number
PIC18F4431-I/PT
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 44-Pin TQFP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4431-IPT.pdf
(396 pages)
Specifications of PIC18F4431-I/PT
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
44-pin TQFP
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4431-I/PT
Manufacturer:
MICROCHIP
Quantity:
1 400
Company:
Part Number:
PIC18F4431-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F4431-I/PT
Manufacturer:
MICROCHI
Quantity:
20 000
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FIGURE 10-2:
FIGURE 10-4:
DS39616B-page 108
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
To A/D Converter
To A/D Converter
To CAP1/INDX or CAP2/QEA
Data Bus
WR LATA
or
PORTA
WR TRISA
RD PORTA
D
D
Data Latch
TRIS Latch
CK
CK
RD LATA
BLOCK DIAGRAM OF RA0
BLOCK DIAGRAM OF RA3:RA2 PINS
Q
Q
Q
Q
RD TRISA
Q
Data Latch
TRIS Latch
D
D
RD TRISA
RD LATA
CK
CK
Analog
Input
Mode
EN
D
V
V
Q
Q
Q
Q
P
N
SS
DD
TTL
Input
Buffer
I/O Pin
Preliminary
Q
FIGURE 10-3:
WR TRISA
WR LATA
or
PORTA
To A/D Converter
Data Bus
RD PORTA
EN
D
TRIS Latch
V
Data Latch
V
N
P
D
SS
D
Analog
Input
Mode
RD TRISA
DD
RD LATA
CK
CK
Q
Q
Q
Q
BLOCK DIAGRAM OF RA1
2003 Microchip Technology Inc.
TTL
Q
Analog
Input
Mode
EN
D
I/O Pin
V
Schmitt
Trigger
Input
Buffer
V
N
P
SS
DD
TTL
RA1
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