LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 655
LPC2468FET208,551
Manufacturer Part Number
LPC2468FET208,551
Description
IC ARM7 MCU FLASH 512K 208TFBGA
Manufacturer
NXP Semiconductors
Series
LPC2400r
Specifications of LPC2468FET208,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
Package / Case
208-TFBGA
Core Processor
ARM7
Core Size
16/32-Bit
Speed
72MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
160
Ram Size
98K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
LPC24
Core
ARM7TDMI-S
Data Bus Width
16 bit, 32 bit
Data Ram Size
98 KB
Interface Type
CAN/I2S/ISP/SSP/UART/USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
160
Number Of Timers
6
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, IRD-LPC2468-DEV, SAB-TFBGA208, KSK-LPC2468-PL
Development Tools By Supplier
OM10100
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Package
208TFBGA
Device Core
ARM7TDMI-S
Family Name
LPC2000
Maximum Speed
72 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1025 - KIT DEV IND REF DESIGN LPC2468622-1024 - BOARD SCKT ADAPTER FOR TFBGA208568-4358 - DISPLAY QVGA TFT FOR OM10100568-4309 - BOARD EXTENSION LPCSTICK568-4308 - EVAL LPC-STICK WITH LPC2468MCB2400U - BOARD EVAL MCB2400 + ULINK2MCB2400 - BOARD EVAL FOR NXP LPC246X SER622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4262
935283234551
LPC2468FET208-S
935283234551
LPC2468FET208-S
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LPC2468FET208,551
Manufacturer:
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UM10237_4
User manual
6.4.1 Leap year calculation
6.5 Alarm register group
Table 576. Time Counter relationships and values)
Table 577. Time Counter registers
[1]
The RTC does a simple bit comparison to see if the two lowest order bits of the year
counter are zero. If true, then the RTC considers that year a leap year. The RTC considers
all years evenly divisible by 4 as leap years. This algorithm is accurate from the year 1901
through the year 2099, but fails for the year 2100, which is not a leap year. The only effect
of leap year on the RTC is to alter the length of the month of February for the month, day
of month, and year counters.
The alarm registers are shown in
compared with the time counters. If all the unmasked (See
Register (AMR - 0xE002 4010)” on page
time counters then an interrupt is generated. The interrupt is cleared when a one is written
to bit one of the Interrupt Location Register (ILR[1]).
Counter
Second
Minute
Hour
Day of Month
Day of Week
Day of Year
Month
Year
Name
SEC
MIN
HOUR
DOM
DOW
DOY
MONTH
YEAR
These values are simply incremented at the appropriate intervals and reset at the defined overflow point.
They are not calculated and must be correctly initialized in order to be meaningful.
Size Description
6
6
5
5
3
9
4
12
Size
6
6
5
5
3
9
4
12
Seconds value in the range of 0 to 59
Minutes value in the range of 0 to 59
Hours value in the range of 0 to 23
Day of month value in the range of 1 to 28, 29, 30,
or 31 (depending on the month and whether it is a
leap year).
Day of week value in the range of 0 to 6
Day of year value in the range of 1 to 365 (366 for
leap years)
Month value in the range of 1 to 12
Year value in the range of 0 to 4095
Rev. 04 — 26 August 2009
Enabled by
Clk1 (see
Figure
Second
Minute
Hour
Hour
Hour
Day of Month
Month or day of Year
Chapter 26: LPC24XX Real-Time Clock (RTC) and battery RAM
[1]
[1]
26–134)
Table
26–578. The values in these registers are
653) alarm registers match their corresponding
Minimum value
0
0
0
1
0
1
1
0
[1]
Section 26–6.2.6 “Alarm Mask
R/W
R/W
R/W
Access
R/W
R/W
R/W
R/W
R/W
Maximum value
59
59
23
28, 29, 30 or 31
6
365 or 366 (for leap year)
12
4095
UM10237
© NXP B.V. 2009. All rights reserved.
Address
0xE002 4020
0xE002 4024
0xE002 4028
0xE002 402C
0xE002 4030
0xE002 4034
0xE002 4038
0xE002 403C
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