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PIC18F44800TE/ML Datasheet(PDF) 179 Page - Microchip Technology

Part # PIC18F44800TE/ML
Description  28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
PDF  484 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F44800TE/ML Datasheet(HTML) 179 Page - Microchip Technology

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 2004 Microchip Technology Inc.
Preliminary
DS39637A-page 177
PIC18F2480/2580/4480/4580
FIGURE 16-2:
PWM OUTPUT RELATIONSHIPS (ACTIVE-HIGH STATE)
FIGURE 16-3:
PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)
0
Period
00
10
01
11
SIGNAL
PR2 + 1
ECCP1CON
<7:6>
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
Duty
Cycle
(Single Output)
(Half-Bridge)
(Full-Bridge,
Forward)
(Full-Bridge,
Reverse)
Delay(1)
Delay(1)
0
Period
00
10
01
11
SIGNAL
PR2 + 1
ECCP1CON
<7:6>
P1A Modulated
P1A Modulated
P1B Modulated
P1A Active
P1B Inactive
P1C Inactive
P1D Modulated
P1A Inactive
P1B Modulated
P1C Active
P1D Inactive
Duty
Cycle
(Single Output)
(Half-Bridge)
(Full-Bridge,
Forward)
(Full-Bridge,
Reverse)
Delay(1)
Delay(1)
Relationships:
• Period = 4 * TOSC * (PR2 + 1) * (TMR2 Prescale Value)
• Duty Cycle = TOSC * (ECCPR1L<7:0>:ECCP1CON<5:4>) * (TMR2 Prescale Value)
• Delay = 4 * TOSC * (ECCP1DEL<6:0>)
Note 1:
Dead-band delay is programmed using the ECCP1DEL register (Section 16.4.6 “Programmable Dead-Band Delay”).



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