PIC18F452-E/PT Microchip Technology, PIC18F452-E/PT Datasheet - Page 286

• Manufacturer Part Number: PIC18F452-E/PT
• Description: IC MCU CMOS 40MHZ 16K FLSH44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F452-E/PT

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 34
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1.5KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 44TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: I2C/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18FXX2
FIGURE 22-18:
TABLE 22-17: MASTER SSP I
FIGURE 22-19:
DS39564C-page 284
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 22-4 for load conditions.
:
:
:
:
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
Refer to Figure 22-4 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
100
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
© 2006 Microchip Technology Inc.
92
Units
Condition
ns
ns
ns
ns
102
STOP
110
Repeated START
condition
After this period, the
first clock pulse is
generated
Only relevant for
93
Conditions