PIC18F458-I/PTG Microchip Technology, PIC18F458-I/PTG Datasheet - Page 141
![IC MCU FLASH 16KX16 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F458-I/PTG
Manufacturer Part Number
PIC18F458-I/PTG
Description
IC MCU FLASH 16KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F458-I/PTG
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
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 141 of 402
- Download datasheet (7Mb)
FIGURE 16-7:
FIGURE 16-8:
© 2006 Microchip Technology Inc.
Note 1: The direction bit in the ECCP1 Control Register (ECCP1CON.EPWM1M1) is written any time during the PWM
External Switch C
External Switch D
Note 1: All signals are shown as active-high.
P1A (Active-High)
P1B (Active-High)
P1C (Active-High)
P1D (Active-High)
2: The P1A and P1C signals switch at intervals of T
Shoot-Through
SIGNAL
cycle.
value earlier when changing direction. The modulated P1B and P1D signals are inactive at this time.
2: t
3: t
Current
Potential
on
off
P1C
P1D
P1A
P1B
is the turn-off delay of power switch and driver.
is the turn-on delay of power switch and driver.
PWM DIRECTION CHANGE
PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(PWM)
DC
Forward Period
Period
(1)
OSC
, 4 T
OSC
or 16 T
t1
OSC
(PWM)
(2)
, depending on the Timer2 prescaler
t
on
(2)
t
t = t
off
Reverse Period
(3)
Period
off
– t
PIC18FXX8
on
(2,3)
DS41159E-page 139
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