PIC18F448-E/P Microchip Technology, PIC18F448-E/P Datasheet - Page 139
PIC18F448-E/P
Manufacturer Part Number
PIC18F448-E/P
Description
IC MCU FLASH 8KX16 W/CAN 40-DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18LF242-ISO.pdf
(36 pages)
2.PIC18F248-ISO.pdf
(402 pages)
3.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F448-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F448-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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16.5.3
In Full-Bridge Output mode, four pins are used as out-
puts; however, only two outputs are active at a time. In
the Forward mode, pin RD4/PSP4/ECCP1/P1A is con-
tinuously active and pin RD7/PSP7/P1D is modulated.
In the Reverse mode, RD6/PSP6/P1C pin is continu-
ously active and RD5/PSP5/P1B pin is modulated.
These are illustrated in Figure 16-5.
FIGURE 16-5:
© 2006 Microchip Technology Inc.
Note 1: At this time, the TMR2 register is equal to the PR2 register.
Note
FORWARD MODE
REVERSE MODE
FULL-BRIDGE MODE
2: Output signal is shown as asserted 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
Period
Period
P1A, P1B, P1C and P1D outputs are multiplexed with
the PORTD<4:7> data latches. The TRISD<4:7> bits
must be cleared to make the P1A, P1B, P1C and P1D
pins output.
(1)
(1)
PIC18FXX8
DS41159E-page 137
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