PIC18F4550-I/P Microchip Technology Inc., PIC18F4550-I/P Datasheet - Page 394
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
FIGURE 28-17:
TABLE 28-21: MASTER SSP I
FIGURE 28-18:
DS39632C-page 392
90
91
92
93
Note 1:
Param.
No.
SCL
SDA
Note:
T
T
T
T
Symbol
SU
SU
HD
HD
Refer to Figure 28-4 for load conditions.
Maximum pin capacitance = 10 pF for all I
:
:
:
:
STA
STO
SDA
Out
STA
STO
SDA
In
Note:
SCL
Start Condition
Setup Time
Start Condition
Hold Time
Stop Condition
Setup Time
Stop Condition
Hold Time
90
Refer to Figure 28-4 for load conditions.
Condition
MASTER SSP I
MASTER SSP I
Start
90
103
Characteristic
91
91
2
109
C™ BUS START/STOP BITS REQUIREMENTS
2
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
1 MHz mode
100 kHz mode
400 kHz mode
2
1 MHz mode
C™ BUS START/STOP BITS TIMING WAVEFORMS
C™ BUS DATA TIMING
100
Preliminary
106
(1)
(1)
(1)
2
(1)
C™ pins.
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
2(T
101
109
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
Min
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
)(BRG + 1)
107
Max
—
—
—
—
—
—
—
—
—
—
—
—
92
© 2006 Microchip Technology Inc.
92
Condition
Units
Stop
ns
ns
ns
ns
102
110
Repeated Start
condition
After this period, the
first clock pulse is
generated
Only relevant for
93
Conditions
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