PIC16F1828T-I/SO Microchip Technology, PIC16F1828T-I/SO Datasheet - Page 234
![7 KB Flash, 256 Bytes RAM, 32 MHz Int. Osc, 18 I/0, Enhanced Mid Range Core 20 S](/photos/28/72/287224/20-soic_sot163-1_sml.jpg)
PIC16F1828T-I/SO
Manufacturer Part Number
PIC16F1828T-I/SO
Description
7 KB Flash, 256 Bytes RAM, 32 MHz Int. Osc, 18 I/0, Enhanced Mid Range Core 20 S
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheets
1.PIC16F722-ISS.pdf
(8 pages)
2.PIC16F1824-ISL.pdf
(2 pages)
3.PIC16F1824-ISL.pdf
(419 pages)
4.PIC16F1824-ISL.pdf
(10 pages)
Specifications of PIC16F1828T-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
17
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (0.300", 7.50mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F722-ISS PDF datasheet
- PIC16F1824-ISL PDF datasheet #2
- PIC16F1824-ISL PDF datasheet #3
- PIC16F1824-ISL PDF datasheet #4
- Current page: 234 of 419
- Download datasheet (4Mb)
PIC16(L)F1824/1828
24.4.5
In Half-Bridge applications where all power switches
are modulated at the PWM frequency, the power
switches normally require more time to turn off than to
turn on. If both the upper and lower power switches are
switched at the same time (one turned on, and the
other turned off), both switches may be on for a short
period of time until one switch completely turns off.
During this brief interval, a very high current (shoot-
through current) will flow through both power switches,
shorting the bridge supply. To avoid this potentially
destructive shoot-through current from flowing during
switching, turning on either of the power switches is
normally delayed to allow the other switch to
completely turn off.
In Half-Bridge mode, a digitally programmable dead-
band delay is available to avoid shoot-through current
from destroying the bridge power switches. The delay
occurs at the signal transition from the non-active state
to the active state. See
The lower seven bits of the associated PWMxCON
register
of microcontroller instruction cycles (T
FIGURE 24-17:
DS41419B-page 234
Standard Half-Bridge Circuit (“Push-Pull”)
(Register
PROGRAMMABLE DEAD-BAND
DELAY MODE
24-4) sets the delay period in terms
EXAMPLE OF HALF-BRIDGE APPLICATIONS
Figure 24-16
CY
for illustration.
or 4 T
PxA
PxB
OSC
).
Preliminary
FET
Driver
FET
Driver
FIGURE 24-16:
PxA
PxB
td = Dead-Band Delay
Note 1: At this time, the TMRx register is equal to the
(2)
(2)
V+
V-
(1)
2: Output signals are shown as active-high.
td
Pulse Width
PRx register.
Load
Period
td
EXAMPLE OF HALF-
BRIDGE PWM OUTPUT
2010 Microchip Technology Inc.
+
V
-
+
V
-
(1)
Period
(1)
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