PIC18C658-I/L Microchip Technology, PIC18C658-I/L Datasheet - Page 219
![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
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Quantity
Price
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Part Number:
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Manufacturer:
Microchip
Quantity:
385
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Part Number:
PIC18C658-I/L
Manufacturer:
Microchip Technology
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- 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: 219 of 366
- Download datasheet (7Mb)
17.7.1
The Time Quanta is a fixed unit of time derived from the
oscillator period. There is a programmable baud rate
prescaler, with integral values ranging from 1 to 64, in
addition to a fixed divide by two for clock generation.
EXAMPLE 17-2: CALCULATION FOR
EXAMPLE 17-3: CALCULATION FOR
EXAMPLE 17-4: CALCULATION FOR
The frequencies of the oscillators in the different nodes
must be coordinated in order to provide a system-wide
specified nominal bit time. This means that all oscilla-
tors must have a T
should also be noted that although the number of T
programmable from 4 to 25, the usable minimum is
8 T
anteed to operate correctly.
17.7.2
This part of the bit time is used to synchronize the var-
ious CAN nodes on the bus. The edge of the input sig-
nal is expected to occur during the sync segment. The
duration is 1 T
17.7.3
This part of the bit time is used to compensate for phys-
ical delay times within the network. These delay times
consist of the signal propagation time on the bus line
and the internal delay time of the nodes. The length of
the Propagation Segment can be programmed from
1 T
If Fosc = 16 MHz, BRP<5:0> = 00h, and Nominal Bit
Time = 8 T
Rate = 1 Mb/s
If F
Time = 8 T
Rate = 625 Kb/s
If Fosc = 25 MHz, BRP<5:0> = 3Fh, and Nominal Bit
Time = 25 T
Rate = 7.8 Kb/s
2000 Microchip Technology Inc.
Q
Q
OSC
. A bit time of less than 8 T
to 8 T
= 20 MHz, BRP<5:0> = 01h, and Nominal Bit
TIME QUANTA
SYNCHRONIZATION SEGMENT
PROPAGATION SEGMENT
Q
Q
Q
by setting the PRSEG2:PRSEG0 bits.
Q
; then T
; then T
Q
; then T
.
OSC
F
F
F
OSC
OSC
OSC
Q
Q
Q
that is a integral divisor of T
= 125 nsec and Nominal Bit
= 5.12 usec and Nominal Bit
= 200nsec and Nominal Bit
= 16MHz
= 20MHz
= 25MHz
Q
in length is not guar-
Advanced Information
Q
Q
. It
is
17.7.4
The Phase Buffer Segments are used to optimally locate
the sampling point of the received bit, within the nominal
bit time. The sampling point occurs between phase seg-
ment 1 and phase segment 2. These segments can be
lengthened or shortened by the resynchronization pro-
cess. The end of phase segment 1 determines the sam-
pling point within a bit time. Phase segment 1 is
programmable from 1 T
ment 2 provides delay before the next transmitted data
transition and is also programmable from 1 T
duration (however, due to IPT requirements the actual
minimum length of phase segment 2 is 2 T
defined to be equal to the greater of phase segment 1 or
the Information Processing Time (IPT) ).
17.7.5
The Sample Point is the point of time at which the bus
level is read and value of the received bit is determined.
The sampling point occurs at the end of phase
segment 1. If the bit timing is slow and contains many
T
line at the sample point. The value of the received bit is
determined to be the value of the majority decision of
three values. The three samples are taken at the sam-
ple point, and twice before with a time of T
each sample.
17.7.6
The Information Processing Time (IPT) is the time seg-
ment, starting at the sample point, that is reserved for
calculation of the subsequent bit level. The CAN speci-
fication defines this time to be less than or equal to 2 T
The PIC18CXX8 defines this time to be 2 T
phase segment 2 must be at least 2 T
Q
, it is possible to specify multiple sampling of the bus
PHASE BUFFER SEGMENTS
SAMPLE POINT
INFORMATION PROCESSING TIME
Q
PIC18CXX8
to 8 T
Q
in duration. Phase seg-
DS30475A-page 219
Q
long.
Q
, or it may be
Q
Q
/2
to 8 T
between
Q
. Thus,
Q
Q
in
.
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