DSPIC30F6010A MICROCHIP [Microchip Technology], DSPIC30F6010A Datasheet - Page 151
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DSPIC30F6010A
Manufacturer Part Number
DSPIC30F6010A
Description
High-Performance, 16-bit Digital Signal Controllers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.DSPIC30F6010A.pdf
(236 pages)
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21.0
There are several features intended to maximize
system reliability, minimize cost through elimination of
external components, provide power-saving operating
modes and offer code protection:
• Oscillator Selection
• Reset
• Watchdog Timer (WDT)
• Power-Saving modes (Sleep and Idle)
• Code Protection
• Unit ID Locations
• In-Circuit Serial Programming (ICSP)
dsPIC30F devices have a Watchdog Timer, which is
permanently enabled via the Configuration bits or can
be software controlled. It runs off its own RC oscillator
for added reliability. There are 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 delay
on power-up only, designed to keep the part in Reset
while the power supply stabilizes. With these two tim-
ers on-chip, most applications need no external Reset
circuitry.
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 or
through an interrupt. Several oscillator options are also
made available to allow the part to fit a wide variety of
applications. In the Idle mode, the clock sources are
still active, but the CPU is shut-off. The RC oscillator
option saves system cost, while the LP crystal option
saves power.
© 2011 Microchip Technology Inc.
Note:
- Power-on Reset (POR)
- Power-up Timer (PWRT)
- Oscillator Start-up Timer (OST)
- Programmable Brown-out Reset (BOR)
SYSTEM INTEGRATION
This data sheet summarizes features of
this group of dsPIC30F devices and is not
intended to be a complete reference
source. For more information on the CPU,
peripherals, register descriptions and
general device functionality, refer to the
“dsPIC30F Family Reference Manual”
(DS70046). For more information on the
device instruction set and programming,
refer to the “16-bit MCU and DSC Pro-
grammer’s
(DS70157).
Reference
Manual”
dsPIC30F6010A/6015
21.1
The dsPIC30F oscillator system has the following
modules and features:
• Various external and internal oscillator options as
• An on-chip PLL to boost internal operating
• A clock switching mechanism between various
• Programmable clock postscaler for system power
• A Fail-Safe Clock Monitor (FSCM) that detects
• Clock Control register (OSCCON)
• Configuration bits for main oscillator selection
Configuration bits determine the clock source upon
Power-on Reset (POR) and Brown-out Reset (BOR).
Thereafter, the clock source can be changed between
permissible clock sources. The OSCCON register con-
trols the clock switching and reflects system clock
related Status bits.
Table 21-1
oscillator operating modes. A simplified diagram of the
oscillator system is shown in Figure 21-1.
clock sources
frequency
clock sources
savings
clock failure and takes fail-safe measures
Oscillator System Overview
provides a summary of the dsPIC30F
DS70150E-page 151