PIC18F2550-I/SP Microchip Technology Inc., PIC18F2550-I/SP Datasheet - Page 19

• 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 1-3:
© 2006 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
CV
RA3/AN3/V
RA4/T0CKI/C1OUT/
RCV
RA5/AN4/SS/
HLVDIN/C2OUT
RA6
Legend: TTL = TTL compatible input
Note 1:
REF
RA0
AN0
RA1
AN1
RA2
AN2
V
CV
RA3
AN3
V
RA4
T0CKI
C1OUT
RCV
RA5
AN4
SS
HLVDIN
C2OUT
REF
REF
2:
3:
Pin Name
REF
-
+
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.
These pins are No Connect unless the ICPRT Configuration bit is set. For NC/ICPORTS, the pin is No
Connect unless ICPRT is set and the DEBUG Configuration bit is cleared.
REF
REF
-/
+
= Output
PIC18F4455/4550 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP QFN TQFP
—
2
3
4
5
6
7
Pin Number
19
20
21
22
23
24
—
19
20
21
22
23
24
—
PIC18F2455/2550/4455/4550
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
Preliminary
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
—
—
—
CMOS = CMOS compatible input or output
I
P
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.
= Input
= Power
Description
DS39632C-page 17