PIC18F452-E/PT Microchip Technology Inc., PIC18F452-E/PT Datasheet - Page 357
PIC18F452-E/PT
Manufacturer Part Number
PIC18F452-E/PT
Description
44 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F452-EPT.pdf
(390 pages)
Specifications of PIC18F452-E/PT
A/d Inputs
8-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
44-pin TQFP
Programmable Memory
32K Bytes
Ram Size
1.5K Bytes
Speed
40 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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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F452-E/PT
Manufacturer:
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Quantity:
10 000
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FIGURE 26-18:
TABLE 26-20: MASTER SSP I
FIGURE 26-19:
2004 Microchip Technology Inc.
90
91
92
93
Note 1: Maximum pin capacitance = 10 pF for all I
Param.
No.
SCL
SDA
Note:
T
T
T
T
Symbol
SU
SU
HD
HD
Refer to Figure 26-4 for load conditions.
:
:
:
:
STA
STO
SDA
Out
Note:
STA
STO
SDA
In
SCL
Start Condition
Setup Time
Start Condition
Hold Time
Stop Condition
Setup Time
Stop Condition
Hold Time
Refer to Figure 26-4 for load conditions.
90
MASTER SSP I
MASTER SSP I
Condition
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
PIC18F2420/2520/4420/4520
100
Preliminary
106
2
(1)
(1)
(1)
C pins.
(1)
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
92
Units
Condition
ns
ns
ns
ns
102
Stop
110
Only relevant for
Repeated Start
condition
After this period, the
first clock pulse is
generated
93
DS39631A-page 355
Conditions
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