PIC18C658-I/L Microchip Technology, PIC18C658-I/L Datasheet - Page 247
![IC PIC MCU OTP 16KX16 68PLCC](/photos/12/13/121323/c04-049_l_sml.jpg)
PIC18C658-I/L
Manufacturer Part Number
PIC18C658-I/L
Description
IC PIC MCU OTP 16KX16 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C658-IPT.pdf
(366 pages)
4.PIC18C658-IPT.pdf
(16 pages)
5.PIC18C658-IPT.pdf
(16 pages)
6.PIC18C658-IPT.pdf
(16 pages)
Specifications of PIC18C658-I/L
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Core Processor
PIC
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Number Of I /o
52
Program Memory Type
OTP
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
68-PLCC
Controller Family/series
PIC18
No. Of I/o's
52
Ram Memory Size
1.5KB
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18C
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1536 B
Interface Type
3-Wire, I2C, SPI, USART, CAN
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
52
Number Of Timers
4 bit
Operating Supply Voltage
2.5 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
ICE2000, DM163007, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
6
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164308 - MODULE SKT FOR PM3 68PLCCDVA18PQ640 - DEVICE ADAPT PIC18C658 64-TQFPAC174007 - MODULE SKT PROMATEII 68PLCC
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
PIC18C658IL
Q1162292
Q1162292
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18C658-I/L
Manufacturer:
Microchip
Quantity:
385
Company:
Part Number:
PIC18C658-I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18C658-I/L
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C658-IPT PDF datasheet #3
- PIC18C658-IPT PDF datasheet #4
- PIC18C658-IPT PDF datasheet #5
- PIC18C658-IPT PDF datasheet #6
- Current page: 247 of 366
- Download datasheet (7Mb)
21.0
In many applications, the ability to determine if the
device voltage (V
is a desirable feature. A window of operation for the
application can be created, where the application soft-
ware can do "housekeeping tasks" before the device
voltage exits the valid operating range. This can be
done using the Low Voltage Detect module.
This module is software programmable circuitry, where
a device voltage trip point can be specified (internal ref-
erence voltage or external voltage input). When the
voltage of the device becomes lower than the specified
point, an interrupt flag is set. If the interrupt is enabled,
the program execution will branch to the interrupt vec-
tor address and the software can then respond to that
interrupt source.
The Low Voltage Detect circuitry is completely under
software control. This allows the circuitry to be "turned
off" by the software, which minimizes the current con-
sumption for the device.
Figure 21-1 shows a possible application voltage curve
(typically for batteries). Over time, the device voltage
decreases. When the device voltage equals voltage
V
time T
until the device voltage is no longer in valid operating
range, to shut down the system. Voltage point V
minimum valid operating voltage specification. This
occurs at time T
FIGURE 21-1: TYPICAL LOW VOLTAGE
A
2000 Microchip Technology Inc.
, the LVD logic generates an interrupt. This occurs at
Legend:
V
V
A
B
A
V
V
. The application software then has the time,
A
B
LOW VOLTAGE DETECT
= LVD trip point
= Minimum valid device operating range
B
. T
DD
DETECT APPLICATION
B
) is below a specified voltage level
- T
A
Time
is the total time for shutdown.
T
A
T
B
Advanced Information
B
is the
Figure 21-2 shows the block diagram for the LVD mod-
ule. A comparator uses an internally generated refer-
ence voltage as the set point. When the selected tap
output of the device voltage crosses the set point (is
lower than), the LVDIF bit (PIR registers) is set.
Each node in the resister divider represents a “trip
point” voltage. The “trip point” voltage is the minimum
supply voltage level at which the device can operate
before the LVD module asserts an interrupt. When the
supply voltage is equal to the trip point, the voltage
tapped off of the resistor array (or external LVDIN input
pin) is equal to the voltage generated by the internal
voltage reference module. The comparator then gener-
ates an interrupt signal setting the LVDIF bit. This volt-
age is software programmable to any one of 16 values
(See Figure 21-2). The trip point is selected by pro-
gramming the LVDL3:LVDL0 bits (LVDCON<3:0>).
FIGURE 21-2: LOW VOLTAGE DETECT
LVDEN
V
DD
(LVD) BLOCK DIAGRAM
LVDIN
PIC18CXX8
Internally Generated
Reference Voltage
LVD Control
DS30475A-page 247
Register
LVDIF
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