PIC24HJ128GP202-I/SP Microchip Technology, PIC24HJ128GP202-I/SP Datasheet - Page 138
![IC PIC MCU FLASH 128K 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC24HJ128GP202-I/SP
Manufacturer Part Number
PIC24HJ128GP202-I/SP
Description
IC PIC MCU FLASH 128K 28DIP
Manufacturer
Microchip Technology
Series
PIC® 24Hr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.PIC24HJ32GP302-ISO.pdf
(368 pages)
3.PIC24HJ32GP302-ISO.pdf
(8 pages)
4.PIC24HJ32GP302-ISO.pdf
(12 pages)
5.PIC24HJ32GP304-EML.pdf
(356 pages)
Specifications of PIC24HJ128GP202-I/SP
Program Memory Type
FLASH
Program Memory Size
128KB (43K x 24)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, IrDA, LIN, PMP, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
21
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC24HJ
Core
PIC
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
I2C/SPI/UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
21
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52713-733, 52714-737, 53276-922, EWDSPIC
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DM300027
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit or 10-ch x 12-bit
Controller Family/series
PIC24
No. Of I/o's
21
Ram Memory Size
8KB
Cpu Speed
40MIPS
No. Of Timers
7
Embedded Interface Type
I2C, SPI, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164337 - MODULE SOCKET FOR PM3 40DIP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
- PIC24HJ12GP201-ISO PDF datasheet
- PIC24HJ32GP302-ISO PDF datasheet #2
- PIC24HJ32GP302-ISO PDF datasheet #3
- PIC24HJ32GP302-ISO PDF datasheet #4
- PIC24HJ32GP304-EML PDF datasheet #5
- Current page: 138 of 368
- Download datasheet (5Mb)
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
11.6.3
Because peripheral remapping can be changed during
run time, some restrictions on peripheral remapping
are needed to prevent accidental configuration
changes. PIC24H devices include three features to
prevent alterations to the peripheral map:
• Control register lock sequence
• Continuous state monitoring
• Configuration bit pin select lock
11.6.3.1
Under normal operation, writes to the RPINRx and
RPORx registers are not allowed. Attempted writes
appear to execute normally, but the contents of the reg-
isters remain unchanged. To change these registers,
they must be unlocked in hardware. The register lock is
controlled by the IOLOCK bit (OSCCON<6>). Setting
IOLOCK prevents writes to the control registers;
clearing IOLOCK allows writes.
To set or clear IOLOCK, a specific command sequence
must be executed:
1.
2.
3.
Unlike the similar sequence with the oscillator’s LOCK
bit, IOLOCK remains in one state until changed. This
allows all of the peripheral pin selects to be configured
with a single unlock sequence followed by an update to
all control registers, then locked with a second lock
sequence.
DS70293E-page 138
Note:
Write 0x46 to OSCCON<7:0>.
Write 0x57 to OSCCON<7:0>.
Clear (or set) the IOLOCK bit as a single
operation.
CONTROLLING CONFIGURATION
CHANGES
MPLAB
language functions for unlocking the
OSCCON register:
See MPLAB Help for more information.
Control Register Lock
__builtin_write_OSCCONL(value)
__builtin_write_OSCCONH(value)
®
C30
provides
built-in
C
11.6.3.2
In addition to being protected from direct writes, the
contents of the RPINRx and RPORx registers are
constantly monitored in hardware by shadow registers.
If an unexpected change in any of the registers occurs
(such as cell disturbances caused by ESD or other
external events), a configuration mismatch Reset is
triggered.
11.6.3.3
As an additional level of safety, the device can be
configured to prevent more than one write session to
the RPINRx and RPORx registers. The IOL1WAY Con-
figuration bit (FOSC<5>) blocks the IOLOCK bit from
being cleared after it has been set once. If IOLOCK
remains set, the register unlock procedure does not
execute, and the peripheral pin select control registers
cannot be written to. The only way to clear the bit and
re-enable peripheral remapping is to perform a device
Reset.
In the default (unprogrammed) state, IOL1WAY is set,
restricting users to one write session. Programming
IOL1WAY allows user applications unlimited access
(with the proper use of the unlock sequence) to the
peripheral pin select registers.
Continuous State Monitoring
Configuration Bit Pin Select Lock
© 2011 Microchip Technology Inc.
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