PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 13

• 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.

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

FIGURE 1-2:
 2003 Microchip Technology Inc.
OSC2/CLKO
OSC1/CLKI
Program Memory
V
MCLR/V
Note 1:
Address Latch
DD
Data Latch
T1OSO
T1OSI
, V
Data EE
Timer0
SS
2:
3:
4:
PP
16
21
RE3 is available only when MCLR is disabled.
RD4 is the alternate pin for FLTA.
RC3, RC4 and RC5 are alternate pins for T0CKI/T5CKI, SDI/SDA, SCK/SCL
respectively.
RD5 is the alternate pin for PWM4.
21
21
Generation
Band Gap
Reference
Precision
TABLELATCH
4X PLL
Timing
Instruction
Decode &
PIC18F4331/4431 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
Brown-out
Watchdog
Oscillator
Power-on
Managed
31 Level Stack
Timer
Power
INTRC
IR
Timer
Reset
Reset
OSC
PCLATH
PCH
Synchronous
Serial Port
8
PIC18F2331/2431/4331/4431
Timer2
PCL
8
Preliminary
Decode
BITOP
4
BSR
8
3
Address Latch
12
inc/dec
PRODH
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
PORTD
PORTB
PORTC
PORTE
PCPWM
HS 10-bit
ADC
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
RA5/AN5/LVDIN
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*
RE0/AN6
RE1/AN7
RE2/AN8
MCLR/V
RD0/IT0CKI/T5CKI
RD1/SDO
RD2/SDI/SDA
RD3/SCK/SCL
RD4/FLTA
RD5/PWM4
RD6/PWM6
RD7/PWM7
DS39616B-page 11
PP
REF
REF
/RE3
(2)
MFM
(4)
-/CAP1/INDX
+/CAP2/QEA
AV
(1)
DD
(3)
, AV
(3)
(4)
(2)
(3)
SS