PIC18F452-I/P Microchip Technology Inc., PIC18F452-I/P Datasheet - Page 155
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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16.4.5
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 16-6.
FIGURE 16-6:
2004 Microchip Technology Inc.
Forward Mode
Reverse Mode
Note 1: At this time, the TMR2 register is equal to the PR2 register.
Note
FULL-BRIDGE MODE
2: Output signal is shown as active-high.
P1A
P1B
P1C
P1D
P1A
P1B
P1C
P1D
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
FULL-BRIDGE PWM OUTPUT
(1)
(1)
Duty Cycle
Duty Cycle
PIC18F2420/2520/4420/4520
Preliminary
Period
Period
P1A, P1B, P1C and P1D outputs are multiplexed with
the PORTC<2> and PORTD<7:5> data latches. The
TRISC<2> and TRISD<7:5> bits must be cleared to
make the P1A, P1B, P1C and P1D pins outputs.
(1)
(1)
DS39631A-page 153
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