PIC24HJ128GP502-I/MM Microchip Technology, PIC24HJ128GP502-I/MM Datasheet - Page 240
![IC PIC MCU FLASH 128K 28QFN-S](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC24HJ128GP502-I/MM
Manufacturer Part Number
PIC24HJ128GP502-I/MM
Description
IC PIC MCU FLASH 128K 28QFN-S
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 PIC24HJ128GP502-I/MM
Program Memory Type
FLASH
Program Memory Size
128KB (43K x 24)
Package / Case
28-QFN
Core Processor
PIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, 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
SMD/SMT
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 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
CAN, I2C, SPI, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24HJ128GP502-I/MM
Manufacturer:
MAXIM
Quantity:
101
- 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: 240 of 356
- Download datasheet (6Mb)
22.1
The RTCC module registers are organized into three
categories:
• RTCC Control Registers
• RTCC Value Registers
• Alarm Value Registers
22.1.1
To limit the register interface, the RTCC Timer and
Alarm
corresponding register pointers. The RTCC Value
register window (RTCVALH and RTCVALL) uses the
RTCPTR bits (RCFGCAL<9:8>) to select the desired
timer register pair (see Table 22-1).
By writing the RTCVALH byte, the RTCC Pointer value,
RTCPTR<1:0> bits, decrement by one until they reach
‘00’. Once they reach ‘00’, the MINUTES and
SECONDS value will be accessible through RTCVALH
and RTCVALL until the pointer value is manually
changed.
TABLE 22-1:
The Alarm Value register window (ALRMVALH and
ALRMVALL)
(ALCFGRPT<9:8>) to select the desired Alarm register
pair (see Table 22-2).
EXAMPLE 22-1:
DS70293D-page 240
RTCPTR
<1:0>
MOV
MOV
MOV
MOV
MOV
BSET
00
01
10
11
Time
RTCC Module Registers
REGISTER MAPPING
#NVMKEY, W1
#0x55, W2
#0xAA, W3
W2, [W1]
W3, [W1]
RCFGCAL, #13
registers
uses
RTCVAL<15:8>
RTCVAL REGISTER MAPPING
RTCC Value Register Window
WEEKDAY
MINUTES
MONTH
SETTING THE RTCWREN BIT
—
the
are
accessed
ALRMPTR
RTCVAL<7:0>
;move the address of NVMKEY into W1
;start 55/AA sequence
;set the RTCWREN bit
SECONDS
HOURS
YEAR
DAY
through
Preliminary
bits
By writing the ALRMVALH byte, the Alarm Pointer
value, ALRMPTR<1:0> bits, decrement by one until
they reach ‘00’. Once they reach ‘00’, the ALRMMIN
and ALRMSEC value will be accessible through
ALRMVALH and ALRMVALL until the pointer value is
manually changed.
TABLE 22-2:
Considering that the 16-bit core does not distinguish
between 8-bit and 16-bit read operations, the user must
be aware that when reading either the ALRMVALH or
ALRMVALL bytes will decrement the ALRMPTR<1:0>
value. The same applies to the RTCVALH or RTCVALL
bytes with the RTCPTR<1:0> being decremented.
22.1.2
In order to perform a write to any of the RTCC Timer
registers, the RTCWREN bit (RCFGCAL<13>) must be
set (refer to Example 22-1).
ALRMPTR
Note:
Note:
<1:0>
00
01
10
11
This only applies to read operations and
not write operations.
WRITE LOCK
To avoid accidental writes to the timer, it is
recommended that the RTCWREN bit
(RCFGCAL<13>) is kept clear at any
other time. For the RTCWREN bit to be
set, there is only 1 instruction cycle time
window allowed between the 55h/AA
sequence and the setting of RTCWREN;
therefore, it is recommended that code
follow the procedure in Example 22-1.
ALRMVAL<15:8> ALRMVAL<7:0>
ALRMVAL REGISTER
MAPPING
Alarm Value Register Window
ALRMMNTH
ALRMMIN
ALRMWD
© 2009 Microchip Technology Inc.
—
ALRMSEC
ALRMDAY
ALRMHR
—
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