PIC18F442-I/PT Microchip Technology Inc., PIC18F442-I/PT Datasheet - Page 11
PIC18F442-I/PT
Manufacturer Part Number
PIC18F442-I/PT
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-TQFP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F442-IPT.pdf
(332 pages)
Specifications of PIC18F442-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
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F442-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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FIGURE 1-2:
© 2006 Microchip Technology Inc.
OSC2/CLKO
OSC1/CLKI
T1OSCI
T1OSCO
MCLR
V
DD
Note
Program Memory
Address Latch
(up to 2 Mbytes)
, V
Data Latch
SS
CCP1
Timer0
1: Optional multiplexing of CCP2 input/output with RB3 is enabled by selection of configuration bit.
2: The high order bits of the Direct Address for the RAM are from the BSR register (except for the MOVFF instruction).
3: Many of the general purpose I/O pins are multiplexed with one or more peripheral module functions. The multiplexing combinations
16
are device dependent.
21
21
Generation
Reference
Precision
PIC18F4X2 BLOCK DIAGRAM
Voltage
Timing
4X PLL
Table Latch
Instruction
Decode &
Control
Timer1
CCP2
inc/dec logic
Table Pointer
21
8
Start-up Timer
ROM Latch
Instruction
Programming
Low Voltage
PCLATU
PCU
Program Counter
Register
Power-on
Watchdog
Brown-out
Debugger
Power-up
Oscillator
In-Circuit
31 Level Stack
Reset
Timer
Timer
Reset
Synchronous
8
Serial Port
PCLATH
PCH
Master
Timer2
8
PCL
8
Decode
BIT OP
4
BSR
8
3
Addressable
USART
Timer3
inc/dec
address reach)
12
PRODH
Address Latch
Address<12>
FSR0
FSR1
FSR2
8
Data Latch
Data RAM
logic
WREG
(up to 4K
8 x 8 Multiply
ALU<8>
8
Data Bus<8>
8
12
Bank0, F
PRODL
4
(2)
12
8
Parallel Slave Port
8
8
PORTD
PORTE
PORTA
PORTB
PORTC
PIC18FXX2
A/D Converter
Data EEPROM
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS/LVDIN
RA6
RB3/CCP2
RB4
RB0/INT0
RB1/INT1
RB2/INT2
RB5/PGM
RB6/PCG
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RE0/AN5/RD
RE1/AN6/WR
RE2/AN7/CS
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
DS39564C-page 9
(1)
REF
REF
-
+
(1)
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