PIC18F452-I/P Microchip Technology Inc., PIC18F452-I/P Datasheet - Page 153
PIC18F452-I/P
Manufacturer Part Number
PIC18F452-I/P
Description
40 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F452-IP.pdf
(390 pages)
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
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FIGURE 16-2:
FIGURE 16-3:
2004 Microchip Technology Inc.
Relationships:
• Period = 4 * T
• Duty Cycle = T
• Delay = 4 * T
Note 1:
00
10
01
11
00
10
01
11
(Single Output)
CCP1CON
(Single Output)
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
CCP1CON
(Half-Bridge)
(Full-Bridge,
(Full-Bridge,
Reverse)
Forward)
Forward)
Reverse)
<7:6>
<7:6>
Dead-band delay is programmed using the PWM1CON register (see Section 16.4.6 “Programmable
Dead-Band Delay”).
OSC
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)
OSC
OSC
* (PWM1CON<6:0>)
* (PR2 + 1) * (TMR2 Prescale Value)
* (CCPR1L<7:0>:CCP1CON<5:4>) * (TMR2 Prescale Value)
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
SIGNAL
SIGNAL
PIC18F2420/2520/4420/4520
Preliminary
0
0
Delay
Delay
(1)
(1)
Cycle
Duty
Cycle
Duty
Delay
Period
Delay
Period
(1)
(1)
DS39631A-page 151
PR2 + 1
PR2 + 1
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