PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 12
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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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PIC18F2331/2431/4331/4431
FIGURE 1-1:
DS39616B-page 10
OSC2/CLKO
OSC1/CLKI
Program Memory
V
MCLR/V
Note 1:
Address Latch
DD
Data Latch
T1OSI
T1OSO
, V
Data EE
Timer0
SS
2:
PP
16
21
RE3 input pin is only enabled when MCLRE fuse is programmed to ‘0’.
RE3 is available only when MCLR is disabled.
21
21
Generation
Reference
Band Gap
Precision
TABLELATCH
Timing
4X PLL
Instruction
Decode &
PIC18F2331/2431 BLOCK DIAGRAM
Control
Table Pointer<21>
CCP2
Timer1
CCP1
20
inc/dec logic
8
PCLATU
ROMLATCH
Start-up Timer
PCU
Program Counter
Mode Logic
Power-up
Watchdog
Brown-out
Oscillator
Power-on
Managed
31 Level Stack
INTRC
Timer
Power
IR
Timer
Reset
Reset
OSC
PCLATH
PCH
Synchronous
Serial Port
8
Timer2
PCL
8
Preliminary
Decode
BITOP
4
BSR
8
3
12
inc/dec
PRODH
Address Latch
Address<12>
8
FSR0
FSR1
FSR2
logic
Data Latch
(768 bytes)
Data RAM
8 x 8 Multiply
ALU<8>
W
EUSART
8
Timer5
Data Bus<8>
8
12
Bank0, F
PRODL
4
12
8
8
8
PORTA
PORTB
PORTE
PORTC
PCPWM
HS 10-bit
2003 Microchip Technology Inc.
ADC
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
OSC2/CLKO/RA6
OSC1/CLKI/RA7
RB0/PWM0
RB1/PWM1
RB2/PWM2
RB3/PWM3
RB4/KBI0/PWM5
RB5/KBI1/PWM4/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2/FLTA
RC2/CCP1/FLTB
RC3/T0CKI/T5CKI/INT0
RC4/INT1/SDI/SDA
RC5/INT2/SCK/SCL
RC6/TX/CK/SS
RC7/RX/DT/SDO
MCLR/V
PP
REF
REF
/RE3
MFM
-/CAP1/INDX
+/CAP2/QEA
AV
(1, 2)
DD
, AV
SS
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