DSPIC33FJ16MC304-E/PT Microchip Technology, DSPIC33FJ16MC304-E/PT Datasheet - Page 68

• Manufacturer Part Number: DSPIC33FJ16MC304-E/PT
• Description: 16-bit DSC, 16KB Flash,Motor,40 MIPS,nanoWatt 44 TQFP 10x10x1mm TRAY
• Manufacturer: Microchip Technology
• Series: dsPIC™ 33Fr

Specifications of DSPIC33FJ16MC304-E/PT

• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 40 MIPs
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 9x10b/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DSPIC33FJ16MC304-E/PTTR; DSPIC33FJ16MC304-E/PTTR

dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304
TABLE 6-2:
6.2
A Power-on Reset (POR) circuit ensures the device is
reset from power-on. The POR circuit is active until
V
has elapsed. The delay T
device bias circuits become stable.
The device supply voltage characteristics must meet
the
requirements to
Section 24.0 “Electrical Characteristics”
The POR status bit (POR) in the Reset Control register
(RCON<0>) is set to indicate the Power-on Reset.
DS70283H-page 68
V
T
V
T
T
T
DD
POR
BOR
PWRT
FSCM
POR
BOR
Note:
crosses the V
specified
Power-on Reset (POR)
When the device exits the Reset
condition (begins normal operation), the
device operating parameters (voltage,
frequency, temperature, etc.) must be
within their operating ranges, other-
wise the device may not function cor-
rectly.
ensure that the delay between the time
power is first applied, and the time
SYSRST becomes inactive, is long
enough to get all operating parameters
within specification.
Symbol
starting
OSCILLATOR DELAY
POR
generate
The
threshold and the delay T
user
voltage
POR
the
ensures the internal
application
POR.
POR threshold
POR extension time
BOR threshold
BOR extension time
Programmable power-up time delay
Fail-Safe Clock Monitor Delay
and
for details.
rise
Refer
must
POR
rate
Parameter
to
6.2.1
The on-chip regulator has a Brown-out Reset (BOR)
circuit that resets the device when the V
(V
circuit keeps the device in Reset until V
V
delay T
becomes stable.
The BOR status bit (BOR) in the Reset Control register
(RCON<1>) is set to indicate the Brown-out Reset.
The device will not run at full speed after a BOR as the
V
operation. The PWRT provides power-up time delay
(T
stabilized at the appropriate levels for full-speed
operation before the SYSRST is released.
The power-up timer delay (T
the
(FPWRT<2:0>) in the POR Configuration register
(FPOR<2:0>), which provides eight settings (from 0 ms
to 128 ms). Refer to
for further details.
Figure 6-3
reset delay (T
rises above the V
BOR
DD
PWRT
DD
should rise to acceptable levels for full-speed
Power-on
< V
threshold and the delay T
) to ensure that the system power supplies have
BOR
BOR
shows the typical brown-out scenarios. The
Brown-out Reset (BOR) and
Power-up timer (PWRT)
1.8V nominal
30 μs maximum
2.5V nominal
100 μs maximum
0-128 ms nominal
900 μs maximum
) for proper device operation. The BOR
ensures the voltage regulator output
BOR
BOR
Reset
+ T
Section 21.0 “Special Features”
PWRT
trip point
© 2011 Microchip Technology Inc.
Timer
) is initiated each time V
PWRT
Value
BOR
Value
) is programmed by
has elapsed. The
DD
Select
DD
is too low
crosses
bits
DD