PIC18F452-I/P Microchip Technology Inc., PIC18F452-I/P Datasheet - Page 357

• Manufacturer Part Number: PIC18F452-I/P
• Description: 40 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F452-I/P

• 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: 40-pin PDIP
• 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

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