DV164136 Microchip Technology, DV164136 Datasheet - Page 299
DV164136
Manufacturer Part Number
DV164136
Description
DEVELOPMENT KIT FOR PIC18
Manufacturer
Microchip Technology
Series
PIC®r
Type
MCUr
Datasheets
1.DM183032.pdf
(38 pages)
2.DV164136.pdf
(448 pages)
3.DV164136.pdf
(6 pages)
4.DV164136.pdf
(446 pages)
5.DV164136.pdf
(4 pages)
6.DV164136.pdf
(18 pages)
Specifications of DV164136
Contents
Board, Cables, CDs, PICkit™ 3 Programmer, Power Supply
Processor To Be Evaluated
PIC18F8722, PIC18F87J11
Interface Type
RS-232, USB
Operating Supply Voltage
3.3 V, 5 V
Silicon Manufacturer
Microchip
Core Architecture
PIC
Core Sub-architecture
PIC18
Silicon Core Number
PIC18F
Silicon Family Name
PIC18F8xxx
Kit Contents
PIC18 Exp Brd PICkit 3 Cable CD PSU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
PIC18F8722, PIC18F87J11
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DV164136
Manufacturer:
MICROCHIP
Quantity:
12 000
- DM183032 PDF datasheet
- DV164136 PDF datasheet #2
- DV164136 PDF datasheet #3
- DV164136 PDF datasheet #4
- DV164136 PDF datasheet #5
- DV164136 PDF datasheet #6
- Current page: 299 of 446
- Download datasheet (7Mb)
25.0
The PIC18F8722 family of devices include several fea-
tures intended to maximize reliability and minimize cost
through elimination of external components. These are:
• Oscillator Selection
• Resets:
• Interrupts
• Watchdog Timer (WDT)
• Fail-Safe Clock Monitor
• Two-Speed Start-up
• Code Protection
• ID Locations
• In-Circuit Serial Programming
The oscillator can be configured for the application
depending on frequency, power, accuracy and cost. All
of the options are discussed in detail in Section 2.0
“Oscillator Configurations”.
A complete discussion of device Resets and interrupts
is available in previous sections of this data sheet.
In addition to their Power-up and Oscillator Start-up
Timers provided for Resets, the PIC18F8722 family of
devices has a Watchdog Timer, which is either perma-
nently enabled via the Configuration bits or software
controlled (if configured as disabled).
The inclusion of an internal RC oscillator also provides
the additional benefits of a Fail-Safe Clock Monitor
(FSCM) and Two-Speed Start-up. FSCM provides for
background monitoring of the peripheral clock and
automatic switchover in the event of its failure. Two-
Speed Start-up enables code to be executed almost
immediately on start-up, while the primary clock source
completes its start-up delays.
All of these features are enabled and configured by
setting the appropriate Configuration register bits.
© 2008 Microchip Technology Inc.
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
- Brown-out Reset (BOR)
SPECIAL FEATURES OF THE
CPU
25.1
The Configuration bits can be programmed (read as
‘0’) or left unprogrammed (read as ‘1’) to select various
device Configurations. These bits are mapped starting
at program memory location 300000h.
The user will note that address 300000h is beyond the
user program memory space. In fact, it belongs to the
configuration memory space (300000h-3FFFFFh),
which can only be accessed using table reads and
table writes.
Programming the Configuration registers is done in a
manner similar to programming the Flash memory. The
WR bit in the EECON1 register starts a self-timed write
to the Configuration register. In normal operation mode,
a TBLWT instruction with the TBLPTR pointing to the
Configuration register sets up the address and the data
for the Configuration register write. Setting the WR bit
starts a long write to the Configuration register. The
Configuration registers are written a byte at a time. To
write or erase a configuration cell, a TBLWT instruction
can write a ‘1’ or a ‘0’ into the cell. For additional details
on Flash programming, refer to Section 6.5 “Writing
to Flash Program Memory”.
PIC18F8722 FAMILY
Configuration Bits
DS39646C-page 297
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