PIC18F4550-I/PT Microchip Technology Inc., PIC18F4550-I/PT Datasheet - Page 380

• Manufacturer Part Number: PIC18F4550-I/PT
• Description: 44 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4550-I/PT

• 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: 44-pin TQFP
• 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

PIC18F2455/2550/4455/4550
28.4
28.4.1
The timing parameter symbols have been created
using one of the following formats:
DS39632C-page 378
1. TppS2ppS
2. TppS
T
Lowercase letters (pp) and their meanings:
pp
Uppercase letters and their meanings:
S
I
T
CC
ST
2
CC
C only
:
F
ad
cc
ck
cs
da
di
do
dt
io
F
H
I
L
AA
BUF
HD
DAT
STA
ST
(I
AC (Timing) Characteristics
2
C specifications only)
TIMING PARAMETER SYMBOLOGY
Frequency
SPP address write
CCP1
CLKO
CS
SPP data write
SDI
SDO
Data in
I/O port
Fall
High
Invalid (High-Impedance)
Low
output access
Bus free
Hold
DATA input hold
Start condition
Preliminary
3. T
4. Ts
CC
T
mc
osc
rd
rw
sc
ss
t0
t1
wr
P
R
V
Z
High
Low
SU
STO
:
ST
(I
(I
Time
MCLR
OSC1
RD
RD or WR
SCK
SS
T0CKI
T13CKI
WR
Period
Rise
Valid
High-Impedance
High
Low
Setup
Stop condition
2
2
C specifications only)
C specifications only)
© 2006 Microchip Technology Inc.