PIC18F87K90T-I/PT Microchip Technology, PIC18F87K90T-I/PT Datasheet - Page 266
PIC18F87K90T-I/PT
Manufacturer Part Number
PIC18F87K90T-I/PT
Description
128kB Flash, 4kB RAM, 1kB EE, 16MIPS, NanoWatt XLP, LCD, 5V 80 TQFP 12x12x1mm T/
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheet
1.PIC18F66K90-IMR.pdf
(570 pages)
Specifications of PIC18F87K90T-I/PT
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
64 MHz
Number Of Timers
11
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 125 C
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 24 Channel
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 24x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F87K90T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
PIC18F87K90T-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
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setting the PxRSEN bit (ECCPxDEL<7>).
PIC18F87K90 FAMILY
FIGURE 19-12:
19.4.5
The Enhanced PWM can be configured to automatically
restart the PWM signal once the auto-shutdown condi-
tion has been removed. Auto-restart is enabled by
If auto-restart is enabled, the ECCPxASE bit will
remain set as long as the auto-shutdown condition is
active. When the auto-shutdown condition is removed,
the ECCPxASE bit will be cleared via hardware and
normal operation will resume.
FIGURE 19-13:
DS39957D-page 266
Shutdown
Shutdown
ECCPxASE bit
ECCPxASE bit
PWM
PWM
AUTO-RESTART MODE
Activity
Activity
Event
Event
PWM AUTO-SHUTDOWN WITH FIRMWARE RESTART (PxRSEN = 0)
PWM AUTO-SHUTDOWN WITH AUTO-RESTART ENABLED (PxRSEN = 1)
PWM Period
PWM Period
Start of
Start of
Normal PWM
Normal PWM
Event Occurs
Event Occurs
PWM Period
PWM Period
Shutdown
Shutdown
The module will wait until the next PWM period begins,
however, before re-enabling the output pin. This behav-
ior allows the auto-shutdown with auto-restart features
to be used in applications based on current mode of
PWM control.
Event Clears
Event Clears
Shutdown
Shutdown
ECCPxASE
Cleared by
Firmware
2009-2011 Microchip Technology Inc.
Resumes
Resumes
PWM
PWM
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