PIC12F683-E/P Microchip Technology Inc., PIC12F683-E/P Datasheet - Page 82
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PIC12F683-E/P
Manufacturer Part Number
PIC12F683-E/P
Description
8 PIN, 3.5 KB FLASH, 128 RAM, 6 I/O, PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC12F683-EP.pdf
(148 pages)
Specifications of PIC12F683-E/P
A/d Inputs
4 Channel, 10-Bit
Comparators
1
Cpu Speed
5 MIPS
Eeprom Memory
256 Bytes
Frequency
20 MHz
Input Output
6
Memory Type
Flash
Number Of Bits
8
Package Type
8-pin PDIP
Programmable Memory
3.5K Bytes
Ram Size
128 Bytes
Serial Interface
None
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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PIC12F683
12.3.4
The BODEN0 and BODEN1 bits in the Configuration
Word register select one of four BOD modes. Two
modes have been added to allow software or hardware
control of the BOD enable. When BODEN<1:0> = 01,
the SBODEN bit (PCON<4>) enables/disables the
BOD allowing it to be controlled in software. By select-
ing BODEN<1:0>, the BOD is automatically disabled in
Sleep to conserve power and enabled on wake-up. In
this mode, the SBODEN bit is disabled. See
Register 12-1 for the Configuration Word
definition.
If V
T
the Brown-out situation will reset the device. This will
occur regardless of V
ensured to occur if V
parameter (T
On any Reset (Power-on, Brown-out Detect, Watchdog
Timer, etc.), the chip will remain in Reset until V
above V
will now be invoked, if enabled and will keep the chip in
Reset an additional 64 ms.
FIGURE 12-3:
DS41211B-page 80
BOD
Note:
DD
(see Section 15.0 “Electrical Specifications”),
falls below V
BOD
BROWN-OUT DETECT (BOD)
The Power-up Timer is enabled by the
PWRTE bit in the Configuration Word
register.
BOD
(see Figure 12-3). The Power-up Timer
).
Note 1:
Internal
Internal
Internal
Reset
Reset
Reset
V
V
V
DD
BOD
DD
DD
DD
DD
BROWN-OUT SITUATIONS
falls below V
for greater than parameter
slew rate. A Reset is not
64 ms delay only if PWRTE bit is programmed to ‘0’.
BOD
for less than
DD
register
rises
Preliminary
< 64 ms
64 ms
If V
running, the chip will go back into a Brown-out Detect
and the Power-up Timer will be re-initialized. Once V
rises above V
64 ms Reset.
12.3.4.1
The PIC12F683 stores the BOD calibration values in
fuses located in the Calibration Word register (2008h).
The Calibration Word register is not erased when using
the specified bulk erase sequence in the “PIC12F6XX/
16F6XX
(DS41204) and thus, does not require reprogramming.
(1)
Note:
DD
64 ms
64 ms
drops below V
(1)
(1)
Memory
program memory space. It belongs to the
special
(2000h-3FFFh), which can be accessed
only
“PIC12F6XX/16F6XX Memory Program-
ming Specification” (DS41204) for more
information.
Address 2008h is
BOD Calibration
BOD
, the Power-up Timer will execute a
during
BOD
configuration
Programming
2004 Microchip Technology Inc.
while the Power-up Timer is
V
V
V
V
programming.
BOD
BOD
BOD
BOD
beyond the user
memory
Specification”
space
See
DD
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