PIC24HJ32GP202-E/SO Microchip Technology, PIC24HJ32GP202-E/SO Datasheet - Page 100
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PIC24HJ32GP202-E/SO
Manufacturer Part Number
PIC24HJ32GP202-E/SO
Description
16-bit MCU, 32KB Flash,40 MIPS,nanoWatt 28 SOIC .300in TUBE
Manufacturer
Microchip Technology
Series
PIC® 24Hr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.PIC24HJ32GP202-ISO.pdf
(272 pages)
3.PIC24HJ32GP202-ISO.pdf
(8 pages)
4.PIC24HJ32GP202-ISO.pdf
(12 pages)
Specifications of PIC24HJ32GP202-E/SO
Core Processor
PIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (11K x 24)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164339 - MODULE SKT FOR PM3 28SOIC
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC24HJ12GP201-ISO PDF datasheet
- PIC24HJ32GP202-ISO PDF datasheet #2
- PIC24HJ32GP202-ISO PDF datasheet #3
- PIC24HJ32GP202-ISO PDF datasheet #4
- Current page: 100 of 272
- Download datasheet (4Mb)
PIC24HJ32GP202/204 AND PIC24HJ16GP304
9.2.2
The following occur in Idle mode:
• The CPU stops executing instructions.
• The WDT is automatically cleared.
• The system clock source remains active. By
• If the WDT or FSCM is enabled, the LPRC also
The device will wake from Idle mode on any of these
events:
• Any interrupt that is individually enabled.
• Any device Reset
• A WDT time-out
On wake-up from Idle mode, the clock is reapplied to
the CPU and instruction execution will begin
(2-4 cycles later), starting with the instruction following
the PWRSAV instruction, or the first instruction in the
ISR.
9.2.3
Any interrupt that coincides with the execution of a
PWRSAV instruction is held off until entry into Sleep or
Idle mode is completed. The device then wakes up
from Sleep or Idle mode.
9.3
The
consumption are changing clock speed and invoking
one
circumstances, however, these are not practical. For
example, it may be necessary for an application to
maintain uninterrupted synchronous communication,
even while it is doing nothing else. Reducing system
clock speed can introduce communication errors, while
using a power-saving mode can stop communications
completely.
Doze mode is a simple and effective alternative method
to reduce power consumption while the device is still
executing code. In this mode, the system clock
continues to operate from the same source and at the
same speed. Peripheral modules continue to be
clocked at the same speed, while the CPU clock speed
is reduced. Synchronization between the two clock
domains is maintained, allowing the peripherals to
access the SFRs while the CPU executes code at a
slower rate.
DS70289G-page 100
default, all peripheral modules continue to operate
normally from the system clock source, but can
also be selectively disabled (see
“Peripheral Module
remains active.
preferred
of
Doze Mode
the
IDLE MODE
INTERRUPTS COINCIDENT WITH
POWER SAVE INSTRUCTIONS
power-saving
strategies
Disable”).
for
modes.
Section 9.4
reducing
In
power
some
Doze mode is enabled by setting the DOZEN bit
(CLKDIV<11>). The ratio between peripheral and core
clock speed is determined by the DOZE<2:0> bits
(CLKDIV<14:12>).
configurations, from 1:1 to 1:128, with 1:1 being the
default setting.
Programs can use Doze mode to selectively reduce
power consumption in event-driven applications. This
allows clock-sensitive functions, such as synchronous
communications, to continue without interruption while
the CPU idles, waiting for something to invoke an
interrupt routine. An automatic return to full-speed CPU
operation on interrupts can be enabled by setting the
ROI bit (CLKDIV<15>). By default, interrupt events
have no effect on Doze mode operation.
For example, suppose the device is operating at
20 MIPS and the CAN module has been configured for
500 kbps based on this device operating speed. If the
device is placed in Doze mode with a clock frequency
ratio of 1:4, the CAN module continues to communicate
at the required bit rate of 500 kbps, but the CPU now
starts executing instructions at a frequency of 5 MIPS.
9.4
The Peripheral Module Disable (PMD) registers
provide a method to disable a peripheral module by
stopping all clock sources supplied to that module.
When a peripheral is disabled using the appropriate
PMD control bit, the peripheral is in a minimum power
consumption state. The control and status registers
associated with the peripheral are also disabled. So
writes to those registers will have no effect and read
values will be invalid.
A peripheral module is enabled only if both the
associated bit in the PMD register are cleared and the
peripheral is supported by the specific PIC24H variant.
If the peripheral is present in the device, it is enabled in
the PMD register by default.
Note:
Peripheral Module Disable
If a PMD bit is set, the corresponding
module is disabled after a delay of one
instruction cycle. Similarly, if a PMD bit is
cleared, the corresponding module is
enabled after a delay of one instruction
cycle (assuming the module control
registers are already configured to enable
module operation).
There
© 2011 Microchip Technology Inc.
are
eight
possible
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