PIC18F2550-I/SP Microchip Technology Inc., PIC18F2550-I/SP Datasheet - Page 15

• Manufacturer Part Number: PIC18F2550-I/SP
• Description: Microcontroller; 32 KB Flash; 2048 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2550-I/SP

• A/d Inputs: 10-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 23
• Interface: I2C/SPI/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 1-2:
© 2006 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/C1OUT/RCV
RA5/AN4/SS/
HLVDIN/C2OUT
RA6
Legend: TTL = TTL compatible input
Note 1:
RA0
AN0
RA1
AN1
RA2
AN2
V
CV
RA3
AN3
V
RA4
T0CKI
C1OUT
RCV
RA5
AN4
SS
HLVDIN
C2OUT
REF
REF
2:
REF
Pin Name
-
+
ST = Schmitt Trigger input with CMOS levels
O
Alternate assignment for CCP2 when CCP2MX Configuration bit is cleared.
Default assignment for CCP2 when CCP2MX Configuration bit is set.
REF
REF
-/CV
+
= Output
PIC18F2455/2550 PINOUT I/O DESCRIPTIONS (CONTINUED)
REF
Number
PDIP,
SOIC
Pin
—
2
3
4
5
6
7
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
—
O
O
O
I
I
I
I
I
I
I
I
I
I
I
PIC18F2455/2550/4455/4550
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
—
—
—
Preliminary
PORTA is a bidirectional I/O port.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Analog comparator reference output.
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Digital I/O.
Timer0 external clock input.
Comparator 1 output.
External USB transceiver RCV input.
Digital I/O.
Analog input 4.
SPI slave select input.
High/Low-Voltage Detect input.
Comparator 2 output.
See the OSC2/CLKO/RA6 pin.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
DS39632C-page 13