PIC18F4423-E/P Microchip Technology, PIC18F4423-E/P Datasheet - Page 21

• Manufacturer Part Number: PIC18F4423-E/P
• Description: 16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanoWatt 40 PDIP .600in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4423-E/P

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 36
• 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 13x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-3:
© 2009 Microchip Technology Inc.
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1/P1A
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
Legend: TTL = TTL compatible input
Note 1:
RC0
T1OSO
T13CKI
RC1
T1OSI
CCP2
RC2
CCP1
P1A
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
RC6
TX
CK
RC7
RX
DT
2:
Pin Name
(2)
ST
O
I
Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
2
C
= Schmitt Trigger input with CMOS levels
= Output
= I
PIC18F4423/4523 PINOUT I/O DESCRIPTIONS (CONTINUED)
2
C™/SMBus
PDIP
15
16
17
18
23
24
25
26
Pin Number
QFN TQFP
34
35
36
37
42
43
44
1
32
35
36
37
42
43
44
1
PIC18F2423/2523/4423/4523
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/O
I/O
I/O
O
O
O
O
I
I
I
I
Buffer
CMOS
Type
I
I
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
2
2
C
C
PORTC is a bidirectional I/O port.
CMOS = CMOS compatible input or output
I
P
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
Digital I/O.
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM1 output.
Enhanced CCP1 output.
Digital I/O.
Synchronous serial clock input/output for
SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
SPI data in.
I
Digital I/O.
SPI data out.
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX/DT).
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX/CK).
2
C data I/O.
= Input
= Power
Description
DS39755C-page 21
2
C™ mode.