PIC24F16KA101T-I/SS Microchip Technology, PIC24F16KA101T-I/SS Datasheet - Page 105
![16KB Flash, 2KB RAM, 512B EEPROM, 16 MIPS, 16 I/O,16-bit PIC24F Family, NanoWatt](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC24F16KA101T-I/SS
Manufacturer Part Number
PIC24F16KA101T-I/SS
Description
16KB Flash, 2KB RAM, 512B EEPROM, 16 MIPS, 16 I/O,16-bit PIC24F Family, NanoWatt
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheets
1.MA240017.pdf
(254 pages)
2.PIC24F04KA201-ISS.pdf
(48 pages)
3.PIC24F16KA101-ISS.pdf
(18 pages)
Specifications of PIC24F16KA101T-I/SS
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
16KB (5.5K x 24)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MA240017 - MODULE PLUG-IN PIC24F16KA102 PIM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC24F16KA101T-I/SS
Manufacturer:
MICROCHIR
Quantity:
20 000
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Exiting Deep Sleep mode generally does not retain the
state of the device and is equivalent to a Power-on
Reset (POR) of the device. Exceptions to this include
the RTCC (if present), which remains operational
through the wake-up, the DSGPRx registers and
DSWDT.
Wake-up events that occur from the time Deep Sleep
exits until the time the POR sequence completes are
ignored and are not be captured in the DSWSRC
register.
The sequence for exiting Deep Sleep mode is:
1.
2.
3.
4.
5.
6.
10.2.4.3
As exiting Deep Sleep mode causes a POR, most
Special Function Registers reset to their default POR
values. In addition, because V
supplied in Deep Sleep mode, information in data RAM
may be lost when exiting this mode.
Applications which require critical data to be saved
prior to Deep Sleep may use the Deep Sleep General
Purpose registers, DSGPR0 and DSGPR1, or data
EEPROM (if available). Unlike other SFRs, the
contents of these registers are preserved while the
device is in Deep Sleep mode. After exiting Deep
Sleep, software can restore the data by reading the
registers and clearing the RELEASE bit (DSCON<0>).
© 2009 Microchip Technology Inc.
Note:
After a wake-up event, the device exits Deep
Sleep and performs a POR. The DSEN bit is
cleared automatically. Code execution resumes
at the Reset vector.
To determine if the device exited Deep Sleep,
read the Deep Sleep bit, DPSLP (RCON<10>).
This bit will be set if there was an exit from Deep
Sleep mode. If the bit is set, clear it.
Determine the wake-up source by reading the
DSWSRC register.
Determine if a DSBOR event occurred during
Deep Sleep mode by reading the DSBOR bit
(DSCON<1>).
If application context data has been saved, read
it back from the DSGPR0 and DSGPR1
registers.
Clear the RELEASE bit (DSCON<0>).
Any interrupt pending when entering Deep
Sleep mode is cleared,
Saving Context Data with the
DSGPR0/DSGPR1 Registers
DDCORE
power is not
Preliminary
PIC24F16KA102 FAMILY
10.2.4.4
During Deep Sleep, the general purpose I/O pins retain
their previous states and the Secondary Oscillator
(SOSC) will remain running, if enabled. Pins that are
configured as inputs (TRISx bit set) prior to entry into
Deep Sleep remain high-impedance during Deep
Sleep. Pins that are configured as outputs (TRISx bit
clear) prior to entry into Deep Sleep remain as output
pins during Deep Sleep. While in this mode, they con-
tinue to drive the output level determined by their
corresponding LATx bit at the time of entry into Deep
Sleep.
Once the device wakes back up, all I/O pins continue to
maintain their previous states, even after the device
has finished the POR sequence and is executing appli-
cation code again. Pins configured as inputs during
Deep Sleep remain high-impedance and pins config-
ured as outputs continue to drive their previous value.
After waking up, the TRIS and LAT registers, and the
SOSCEN bit (OSCCON<1>) are reset. If firmware
modifies any of these bits or registers, the I/O will not
immediately go to the newly configured states. Once
the firmware clears the RELEASE bit (DSCON<0>),
the I/O pins are “released”. This causes the I/O pins to
take the states configured by their respective TRIS and
LAT bit values.
This means that keeping the SOSC running after
waking up requires the SOSCEN bit to be set before
clearing RELEASE.
If the Deep Sleep BOR (DSBOR) is enabled, and a
DSBOR or a true POR event occurs during Deep
Sleep, the I/O pins will be immediately released similar
to clearing the RELEASE bit. All previous state infor-
mation will be lost, including the general purpose
DSGPR0 and DSGPR1 contents.
If a MCLR Reset event occurs during Deep Sleep, the
DSGPRx, DSCON and DSWAKE registers will remain
valid, and the RELEASE bit will remain set. The state
of the SOSC will also be retained. The I/O pins, how-
ever, will be reset to their MCLR Reset state. Since
RELEASE is still set, changes to the SOSCEN bit
(OSCCON<1>) cannot take effect until the RELEASE
bit is cleared.
In all other Deep Sleep wake-up cases, application
firmware must clear the RELEASE bit in order to
reconfigure the I/O pins.
I/O Pins During Deep Sleep
DS39927B-page 103
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