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PIC18F4580-E/ML bảng dữ liệu(PDF) 183 Page - Microchip Technology

tên linh kiện PIC18F4580-E/ML
Giải thích chi tiết về linh kiện  28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
PDF  490 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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PIC18F4580-E/ML bảng dữ liệu(HTML) 183 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS39637D-page 183
PIC18F2480/2580/4480/4580
17.4.5
FULL-BRIDGE MODE
In Full-Bridge Output mode, four pins are used as
outputs; however, only two outputs are active at a time.
In the Forward mode, pin P1A is continuously active
and pin P1D is modulated. In the Reverse mode, pin
P1C is continuously active and pin P1B is modulated.
These are illustrated in Figure 17-6.
P1A, P1B, P1C and P1D outputs are multiplexed with
the
PORTD<4>,
PORTD<5>,
PORTD<6>
and
PORTD<7> data latches. The TRISD<4>, TRISD<5>,
TRISD<6> and TRISD<7> bits must be cleared to
make the P1A, P1B, P1C and P1D pins outputs.
FIGURE 17-6:
FULL-BRIDGE PWM OUTPUT
Period
Duty Cycle
P1A(2)
P1B(2)
P1C(2)
P1D(2)
Forward Mode
(1)
Period
Duty Cycle
P1A(2)
P1C(2)
P1D(2)
P1B(2)
Reverse Mode
(1)
(1)
(1)
Note 1: At this time, the TMR2 register is equal to the PR2 register.
Note 2: Output signal is shown as active-high.



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