PIC12F609-I/PQTP MICROCHIP [Microchip Technology], PIC12F609-I/PQTP Datasheet - Page 95
PIC12F609-I/PQTP
Manufacturer Part Number
PIC12F609-I/PQTP
Description
8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC12F609-IPQTP.pdf
(168 pages)
- Current page: 95 of 168
- Download datasheet (3Mb)
11.0
The PIC12F609/615/12HV609/615 has a host of
features intended to maximize system reliability,
minimize
components, provide power-saving features and offer
code protection.
These features are:
• Reset
• Interrupts
• Watchdog Timer (WDT)
• Oscillator selection
• Sleep
• Code protection
• ID Locations
• In-Circuit Serial Programming
The PIC12F609/615/12HV609/615 has two timers that
offer necessary delays on power-up. One is the
Oscillator Start-up Timer (OST), intended to keep the
chip in Reset until the crystal oscillator is stable. The
other is the Power-up Timer (PWRT), which provides a
fixed delay of 64 ms (nominal) on power-up only,
designed to keep the part in Reset while the power
supply stabilizes. There is also circuitry to reset the
device if a brown-out occurs, which can use the Power-
up Timer to provide at least a 64 ms Reset. With these
three functions-on-chip, most applications need no
external Reset circuitry.
The Sleep mode is designed to offer a very low-current
Power-Down mode. The user can wake-up from Sleep
through:
• External Reset
• Watchdog Timer Wake-up
• An interrupt
Several oscillator options are also made available to
allow the part to fit the application. The INTOSC option
saves system cost while the LP crystal option saves
power. A set of Configuration bits are used to select
various options (see Register 11-1).
© 2006 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
cost
through
elimination
of
PIC12F609/615/12HV609/615
external
Preliminary
11.1
The Configuration bits can be programmed (read as
‘0’), or left unprogrammed (read as ‘1’) to select various
device configurations as shown in Register 11-1.
These bits are mapped in program memory location
2007h.
Note:
Configuration Bits
memory space. It belongs to the special
configuration
3FFFh), which can be accessed only during
programming. See “PIC12F6XX/16F6XX
Memory
(DS41204) for more information.
Address 2007h is beyond the user program
Programming
memory
DS41302A-page 93
space
Specification”
(2000h-
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