PIC18F442-I/PT Microchip Technology Inc., PIC18F442-I/PT Datasheet - Page 18
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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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PIC18FXX2
TABLE 1-3:
DS39564C-page 16
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
V
V
Legend: TTL = TTL compatible input
SS
DD
RE0
RD
AN5
RE1
WR
AN6
RE2
CS
AN7
Pin Name
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to V
PIC18F4X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
12, 31 13, 34 6, 29
11, 32 12, 35 7, 28
DIP
19
20
21
22
27
28
29
30
10
8
9
Pin Number
PLCC TQFP
21
22
23
24
30
31
32
33
10
11
9
38
39
40
41
25
26
27
2
3
4
5
DD
P
P
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
)
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
PORTD is a bi-directional I/O port, or a Parallel Slave
Port (PSP) for interfacing to a microprocessor port.
These pins have TTL input buffers when PSP module
is enabled.
PORTE is a bi-directional I/O port.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
CMOS = CMOS compatible input or output
I = Input
P = Power
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Read control for parallel slave port
(see also WR and CS pins).
Analog input 5.
Digital I/O.
Write control for parallel slave port
(see CS and RD pins).
Analog input 6.
Digital I/O.
Chip Select control for parallel slave port
(see related RD and WR).
Analog input 7.
Description
© 2006 Microchip Technology Inc.
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