PIC18F67K90-I/PTRSL Microchip Technology, PIC18F67K90-I/PTRSL Datasheet - Page 69
![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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5.2
The MCLR pin provides a method for triggering a hard
external Reset of the device. A Reset is generated by
holding the pin low. PIC18 extended microcontroller
devices have a noise filter in the MCLR Reset path
which detects and ignores small pulses.
The MCLR pin is not driven low by any internal Resets,
including the WDT.
5.3
A Power-on Reset condition is generated on-chip
whenever V
allows the device to start in the initialized state when
V
To take advantage of the POR circuitry, tie the MCLR
pin through a resistor (1 k to 10 k) to V
eliminate external RC components usually needed to
create a Power-on Reset delay. A minimum rise rate for
V
time, see Figure 5-2.
When the device starts normal operation (exiting the
Reset condition), device operating parameters (such
as voltage, frequency and temperature) must be met to
ensure operation. If these conditions are not met, the
device must be held in Reset until the operating
conditions are met.
Power-on Reset events are captured by the POR bit
(RCON<1>). The state of the bit is set to ‘0’ whenever
a Power-on Reset occurs and does not change for any
other Reset event. POR is not reset to ‘1’ by any
hardware event. To capture multiple events, the user
manually resets the bit to ‘1’ in software following any
Power-on Reset.
5.4
The PIC18F87K90 family has four BOR modes:
• High-Power BOR
• Medium Power BOR
• Low-Power BOR
• Zero-Power BOR
Each power mode is selected by the BORPWR<1:0>
setting (CONFIG2L<6:5>). For low, medium and high-
power BOR, the module monitors the V
on the BORV<1:0> setting (CONFIG1L<3:2>). A BOR
event re-arms the Power-on Reset. It also causes a
Reset depending on which of the trip levels has been
set: 1.8V, 2V, 2.7V or 3V. The typical (IB
Low and Medium Power BOR will be 0.75 A and 3 A.
2010 Microchip Technology Inc.
DD
DD
is adequate for operation.
is specified (parameter D004). For a slow rise
Master Clear (MCLR)
Power-on Reset (POR)
Brown-out Reset (BOR)
DD
rises above a certain threshold. This
DD
DD
OR
depending
. This will
) for the
Preliminary
PIC18F87K90 FAMILY
In Zero-Power BOR (ZPBORMV), the module monitors
the V
ZPBORMV does not cause a Reset, but re-arms the
POR.
The BOR accuracy varies with its power level. The
lower the power setting, the less accurate the BOR trip
levels are. So, the high-power BOR has the highest
accuracy and the low-power has the lowest accuracy.
The trip levels (B
consumption (Section 31.2 “DC Characteristics:
Power-Down and Supply Current PIC18F87K90
Family (Industrial)”) and time required below B
(T
“Electrical Characteristics”
FIGURE 5-2:
5.4.1
The BOR bit always resets to ‘0’ on any Brown-out
Reset or Power-on Reset event. This makes it difficult
to determine if a Brown-out Reset event has occurred
just by reading the state of BOR alone. A more reliable
method is to simultaneously check the state of both
POR and BOR. This assumes that the POR bit is reset
to ‘1’ in software immediately after any Power-on Reset
event. If BOR is ‘0’ while POR is ‘1’, it can be reliably
assumed that a Brown-out Reset event has occurred.
LP-BOR cannot be detected with the BOR bit in the
RCON register. LP-BOR can rearm the POR and can
cause a Power-on Reset.
BOR
Note 1: External Power-on Reset circuit is required
DD
, parameter 35) can all be found in Section 31.0
V
2: R < 40 k is recommended to make sure that
3: R1 1 k will limit any current flowing into
DD
voltage and re-arms the POR at about 2V.
D
DETECTING BOR
only if the V
The diode, D, helps discharge the capacitor
quickly when V
the voltage drop across R does not violate
the device’s electrical specification.
MCLR from external capacitor, C, in the event
of MCLR/V
Electrostatic Discharge (ESD) or Electrical
Overstress (EOS).
V
DD
R
C
VDD
EXTERNAL POWER-ON
RESET CIRCUIT (FOR
SLOW V
DD
PP
, parameter D005), current
R1
DD
power-up slope is too slow.
pin breakdown, due to
powers down.
DD
MCLR
PIC18F87K90
POWER-UP)
DS39957B-page 69
VDD
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