PIC24FJ256GB106T-I/PT Microchip Technology, PIC24FJ256GB106T-I/PT Datasheet - Page 252
![IC PIC MCU FLASH 256K 64-TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC24FJ256GB106T-I/PT
Manufacturer Part Number
PIC24FJ256GB106T-I/PT
Description
IC PIC MCU FLASH 256K 64-TQFP
Manufacturer
Microchip Technology
Series
PIC® 24Fr
Datasheets
1.PIC24FJ128GA106-IPT.pdf
(52 pages)
2.PIC24FJ64GB106-IPT.pdf
(16 pages)
3.PIC24FJ64GB106-IPT.pdf
(352 pages)
Specifications of PIC24FJ256GB106T-I/PT
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, SPI, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
51
Program Memory Size
256KB (85.5K x 24)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
For Use With
DM240011 - KIT STARTER MPLAB FOR PIC24F MCUMA240014 - MODULE PLUG-IN PIC24
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC24FJ256GB106T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24FJ256GB106T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC24FJ128GA106-IPT PDF datasheet
- PIC24FJ64GB106-IPT PDF datasheet #2
- PIC24FJ64GB106-IPT PDF datasheet #3
- Current page: 252 of 352
- Download datasheet (3Mb)
PIC24FJ256GB110 FAMILY
20.1
The RTCC module registers are organized into three
categories:
• RTCC Control Registers
• RTCC Value Registers
• Alarm Value Registers
20.1.1
To limit the register interface, the RTCC Timer and
Alarm
corresponding register pointers. The RTCC Value reg-
ister window (RTCVALH and RTCVALL) uses the
RTCPTR bits (RCFGCAL<9:8>) to select the desired
Timer register pair (see Table 20-1).
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 20-1:
The Alarm Value register window (ALRMVALH and
ALRMVALL)
(ALCFGRPT<9:8>) to select the desired Alarm register
pair (see Table 20-2).
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.
EXAMPLE 20-1:
DS39897C-page 252
__builtin_write_RTCWEN(); //set the RTCWREN bit
RTCPTR
<1:0>
00
01
10
11
Time
RTCC Module Registers
REGISTER MAPPING
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>
SECONDS
HOURS
YEAR
DAY
through
bits
TABLE 20-2:
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.
20.1.2
In order to perform a write to any of the RTCC Timer
registers, the RTCWREN bit (RCFGCAL<13>) must be
set (refer to Example 20-1).
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 unlock
sequence and the setting of RTCWREN;
therefore, it is recommended that code
follow the procedure in Example 20-1.
For applications written in C, the unlock
sequence should be implemented using
in-line assembly.
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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