PIC18F4550-I/P Microchip Technology Inc., PIC18F4550-I/P Datasheet - Page 120
PIC18F4550-I/P
Manufacturer Part Number
PIC18F4550-I/P
Description
40 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4550-IP.pdf
(430 pages)
Specifications of PIC18F4550-I/P
A/d Inputs
13-Channel, 10-Bit
Comparators
2
Cpu Speed
12 MIPS
Eeprom Memory
256 Bytes
Input Output
34
Interface
I2C/SPI/UART/USART/USB
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
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
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PIC18F2455/2550/4455/4550
TABLE 10-5:
DS39632C-page 118
RC0/T1OSO/
T13CKI
RC1/T1OSI/
CCP2/UOE
RC2/CCP1/
P1A
RC4/D-/VM
RC5/D+/VP
RC6/TX/CK
Legend:
Note 1:
Pin
2:
3:
OUT = Output, IN = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Buffer Input,
TTL = TTL Buffer Input, XCVR = USB transceiver, x = Don’t care (TRIS bit does not affect port direction or is overridden
for this option)
Default pin assignment. Alternate pin assignment is RB3 (when CCP2MX = 0).
RC4 and RC5 do not have corresponding TRISC bits. In Port mode, these pins are input only. USB data direction is
determined by the USB configuration.
40/44-pin devices only.
Function
PORTC I/O SUMMARY
CCP2
T1OSO
T13CKI
T1OSI
P1A
CCP1
UOE
RC0
RC1
RC2
RC4
RC5
RC6
VM
D+
VP
TX
CK
D-
(3)
(1)
Setting
TRIS
—
—
—
—
—
—
—
—
0
1
x
1
0
1
x
0
1
0
0
1
0
1
0
0
1
0
0
1
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
I/O
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
I/O Type
XCVR
XCVR
XCVR
XCVR
ANA
ANA
TTL
TTL
TTL
TTL
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
DIG
ST
ST
ST
ST
ST
ST
ST
ST
Preliminary
LATC<0> data output.
PORTC<0> data input.
Timer1 oscillator output; enabled when Timer1 oscillator enabled.
Disables digital I/O.
Timer1/Timer3 counter input.
LATC<1> data output.
PORTC<1> data input.
Timer1 oscillator input; enabled when Timer1 oscillator enabled.
Disables digital I/O.
CCP2 Compare and PWM output; takes priority over port data.
CCP2 Capture input.
External USB transceiver OE output.
LATC<2> data output.
PORTC<2> data input.
ECCP1 Compare and PWM output; takes priority over port data.
ECCP1 Capture input.
ECCP1 Enhanced PWM output, channel A; takes priority over port
data. May be configured for tri-state during Enhanced PWM shutdown
events.
PORTC<4> data input; disabled when USB module or on-chip
transceiver are enabled.
USB bus differential minus line output (internal transceiver).
USB bus differential minus line input (internal transceiver).
External USB transceiver VM input.
PORTC<5> data input; disabled when USB module or on-chip
transceiver are enabled.
USB bus differential plus line output (internal transceiver).
USB bus differential plus line input (internal transceiver).
External USB transceiver VP input.
LATC<6> data output.
PORTC<6> data input.
Asynchronous serial transmit data output (EUSART module); takes
priority over port data. User must configure as output.
Synchronous serial clock output (EUSART module); takes priority
over port data.
Synchronous serial clock input (EUSART module).
Description
© 2006 Microchip Technology Inc.
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