PIC18F442-E/ML Microchip Technology, PIC18F442-E/ML Datasheet - Page 9

• Manufacturer Part Number: PIC18F442-E/ML
• Description: IC MCU FLASH 8KX16 EE A/D 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F442-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-3:
© 2005 Microchip Technology Inc.
RB0/INT0
RB1/INT1
RB2/INT2
RB3/CCP2
RB4
RB5/PGM
RB6/PGC
RB7/PGD
Legend: TTL = TTL compatible input
RB0
INT0
RB1
INT1
RB2
INT2
RB3
CCP2
RB5
PGM
RB6
PGC
RB7
PGD
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)
DIP PLCC QFN TQFP
33
34
35
36
37
38
39
40
Pin Number
36
37
38
39
41
42
43
44
10
11
12
14
15
16
17
9
10
14
15
16
17
11
8
9
DD
)
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
CMOS = CMOS compatible input or output
I = Input
P = Power
PORTB is a bidirectional I/O port. PORTB can be
software programmed for internal weak pull-ups on
all inputs.
Digital I/O.
External Interrupt 0.
Digital I/O.
External Interrupt 1.
Digital I/O.
External Interrupt 2.
Digital I/O.
Capture2 input, Compare2 output, PWM2 output.
Digital I/O. Interrupt-on-change pin.
Digital I/O. Interrupt-on-change pin.
Low-voltage ICSP™ programming enable pin.
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming
clock pin.
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data
pin.
Description
PIC18FXX2
DS80173C-page 9