PIC18F67K90-I/PTRSL Microchip Technology, PIC18F67K90-I/PTRSL Datasheet - Page 70
![MCU PIC 128K FLASH XLP 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F67K90-I/PTRSL
Manufacturer Part Number
PIC18F67K90-I/PTRSL
Description
MCU PIC 128K FLASH XLP 64TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F67K90-I/PTRSL
Core Size
8-Bit
Program Memory Size
128KB (64K x 16)
Core Processor
PIC
Speed
64MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
53
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
Eeprom Memory Size
1024Byte
Ram Memory Size
3828Byte
Cpu Speed
16MIPS
No. Of Timers
11
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
I2C, SPI, EUSART
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
53
Number Of Timers
11
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
DM163030, DM180021, DM183026-2, DM183032, DV164131, MA180027
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F67K90-I/PTRSL
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC18F87K90 FAMILY
5.5
The Configuration Mismatch (CM) Reset is designed to
detect, and attempt to recover from, random, memory
corrupting events. These include Electrostatic Discharge
(ESD) events that can cause widespread, single bit
changes throughout the device and result in catastrophic
failure.
In PIC18F87K90 family Flash devices, the device
Configuration registers (located in the configuration
memory space) are continuously monitored during
operation by comparing their values to complimentary
shadow registers. If a mismatch is detected between
the two sets of registers, a CM Reset automatically
occurs. These events are captured by the CM bit
(RCON<5>). The state of the bit is set to ‘0’ whenever
a CM event occurs and does not change for any other
Reset event.
A CM Reset behaves similarly to a Master Clear Reset,
RESET instruction, WDT time-out or Stack Event Reset.
As with all hard and power Reset events, the device
Configuration Words are reloaded from the Flash
Configuration Words in program memory as the device
restarts.
FIGURE 5-3:
DS39957B-page 70
INTERNAL RESET
PWRT TIME-OUT
INTERNAL POR
Configuration Mismatch (CM)
MCLR
V
DD
TIME-OUT SEQUENCE ON POWER-UP (MCLR TIED TO V
Preliminary
T
PWRT
5.6
PIC18F87K90 family devices incorporate an on-chip
Power-up Timer (PWRT) to help regulate the Power-on
Reset process. The PWRT is enabled by setting the
PWRTEN bit (CONFIG2L<0>). The main function is to
ensure that the device voltage is stable before code is
executed.
The Power-up Timer (PWRT) of the PIC18F87K90
family devices is a 13-bit counter that uses the
LF-INTOSC source as the clock input. This yields an
approximate time interval of 2,048 x 32 s = 66 ms.
While the PWRT is counting, the device is held in
Reset.
The power-up time delay depends on the LF-INTOSC
clock and will vary from chip-to-chip due to temperature
and process variation. See DC parameter 33 for
details.
5.6.1
If enabled, the PWRT time-out is invoked after the POR
pulse has cleared. The total time-out will vary based on
the status of the PWRT. Figure 5-3, Figure 5-4,
Figure 5-5
sequences on power-up with the Power-up Timer
enabled.
Since the time-outs occur from the POR pulse, if
MCLR is kept low long enough, the PWRT will expire.
Bringing MCLR high will begin execution immediately
(Figure 5-5). This is useful for testing purposes, or for
synchronizing more than one PIC18 device operating
in parallel.
Power-up Timer (PWRT)
TIME-OUT SEQUENCE
and
Figure 5-6
2010 Microchip Technology Inc.
DD
, V
DD
all
RISE < T
depict
PWRT
time-out
)
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