DSPIC30F2023T-30I/PT Microchip Technology, DSPIC30F2023T-30I/PT Datasheet - Page 211
![12KB, Flash, 512bytes-RAM, 30MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x1](/photos/6/82/68251/c04-076_pt_sml.jpg)
DSPIC30F2023T-30I/PT
Manufacturer Part Number
DSPIC30F2023T-30I/PT
Description
12KB, Flash, 512bytes-RAM, 30MIPS, 35I/O, 16-bit Family,nanoWatt 44 TQFP 10x10x1
Manufacturer
Microchip Technology
Series
dsPIC™ 30Fr
Datasheets
1.AC164335.pdf
(286 pages)
2.DM300023.pdf
(22 pages)
3.DM300023.pdf
(18 pages)
4.DSPIC30F2011-20ISO.pdf
(66 pages)
5.DSPIC30F2011-20IP.pdf
(26 pages)
6.DSPIC30F1010-30ISO.pdf
(26 pages)
7.DSPIC30F1010-30ISO.pdf
(50 pages)
Specifications of DSPIC30F2023T-30I/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
30 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
12KB (4K x 24)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
DSPIC30F2023T-30I/PTTR
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- AC164335 PDF datasheet
- DM300023 PDF datasheet #2
- DM300023 PDF datasheet #3
- DSPIC30F2011-20ISO PDF datasheet #4
- DSPIC30F2011-20IP PDF datasheet #5
- DSPIC30F1010-30ISO PDF datasheet #6
- DSPIC30F1010-30ISO PDF datasheet #7
- Current page: 211 of 286
- Download datasheet (5Mb)
ply loading the Reset address into the oscillator fail
trap vector. In this event, the CF (Clock Fail) status bit
(OSCCON<3>) is also set whenever a clock failure is
recognized.
In the event of a clock failure, the WDT is unaffected
and continues to run on the LPRC clock.
If the oscillator has a very slow start-up time coming
out of POR or Sleep, it is possible that the PWRT timer
will expire before the oscillator has started. In such
cases, the FSCM will be activated and the FSCM will
initiate a clock failure trap, and the COSC<2:0> bits
are loaded with FRC oscillator selection. This will
effectively shut off the original oscillator that was trying
to start.
The user may detect this situation and restart the
oscillator in the clock fail trap, ISR.
Upon a clock failure detection, the FSCM module will
initiate a clock switch to the FRC oscillator as follows:
1.
2.
3.
For the purpose of clock switching, the clock sources
are sectioned into two groups:
1.
2.
The user can switch between these functional groups,
but cannot switch between options within a group. If the
primary group is selected, then the choice within the
group is always determined by the FNOSC<1:0>
Configuration bits.
The OSCCON register holds the control and status bits
related to clock switching. If Configuration bits
FCKSM<1:0> = 1x, then the clock switching and Fail-
Safe Clock Monitor functions are disabled. This is the
default Configuration bit setting.
If clock switching is disabled, then the FNOSC<1:0>
and POSCMD<1:0> bits directly control the oscillator
selection and the COSC<2:0> bits do not control the
clock selection. However, these bits will reflect the
clock source selection.
© 2006 Microchip Technology Inc.
Note:
The COSC bits (OSCCON<14:12>) are loaded
with the FRC oscillator selection value
CF bit is set (OSCCON<3>)
OSWEN control bit (OSCCON<0>) is cleared
Primary
Internal FRC
The application should not attempt to
switch to a clock frequency lower than 100
KHz when the Fail-Safe Clock Monitor is
enabled. If clock switching is performed,
the device may generate an oscillator fail
trap and switch to the Fast RC oscillator.
Preliminary
18.7
The PIC18F1220/1320 differentiates between
various kinds of Reset:
a)
b)
c)
d)
e)
f)
g)
Different registers are affected in different ways by var-
ious Reset conditions. Most registers are not affected
by a WDT wake-up, since this is viewed as the resump-
tion of normal operation. Status bits from the RCON
register are set or cleared differently in different Reset
situations, as indicated in Table 18-3. These bits are
used in software to determine the nature of the Reset.
A block diagram of the on-chip Reset circuit is shown in
Figure 18-7.
A MCLR noise filter is provided in the MCLR Reset
path. The filter detects and ignores small pulses.
Internally generated Resets do not drive MCLR pin low.
dsPIC30F1010/202X
Power-on Reset (POR)
MCLR Reset during normal operation
MCLR Reset during Sleep
Watchdog Timer (WDT) Reset (during normal
operation)
RESET Instruction
Reset cause by trap lock-up (TRAPR)
Reset caused by illegal opcode, or by using an
uninitialized W register as an Address Pointer
(IOPUWR)
Reset
DS70178C-page 209
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