LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 647
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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Part Number:
LPC2468FET208,551
Manufacturer:
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Quantity:
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1. Basic configuration
2. Features
3. Description
UM10237_4
User manual
The RTC is configured using the following registers:
The Real-Time Clock (RTC) is a set of counters for measuring time when system power is
on, and optionally when it is off. It uses little power in Power-down or Deep power-down
modes. On the LPC2400, the RTC can be clocked by a separate 32.768 kHz oscillator or
by a programmable prescale divider based on the APB clock. The RTC is powered by its
own power supply pin, VBAT, which can be connected to a battery or to the same 3.3 V
supply used by the rest of the device.
The VBAT pin supplies power only to the RTC and the Battery RAM. These two functions
require a minimum of power to operate, which can be supplied by an external battery.
When the CPU and the rest of chip functions are stopped and power removed, the RTC
can supply an alarm output that can be used by external hardware to restore chip power
1. Power: In the PCONP register
2. Clock: Select clock source in
3. Interrupts: See
•
•
•
•
•
•
•
•
•
UM10237
Chapter 26: LPC24XX Real-Time Clock (RTC) and battery RAM
Rev. 04 — 26 August 2009
Remark: On reset, the RTC is enabled. See
PCLK_RTC in the PCLK_SEL0 register
clock must be scaled (see
the VIC using the VICIntEnable register
Measures the passage of time to maintain a calendar and clock.
Ultra Low Power design to support battery powered systems.
Provides Seconds, Minutes, Hours, Day of Month, Month, Year, Day of Week, and
Day of Year.
Dedicated 32 kHz oscillator or programmable prescaler from APB clock.
Dedicated power supply pin can be connected to a battery or to the main 3.3 V.
An alarm output pin is included to assist in waking up from power-down modes and
when the chip has had power removed to all functions except the RTC and Battery
RAM.
Periodic interrupts can be generated from increments of any field of the time registers
and selected fractional second values.
2 kB static RAM powered by VBAT.
RTC and Battery RAM power supply is isolated from the rest of the chip.
Section 26–6.1
Rev. 04 — 26 August 2009
Section
Table
(Table
for RTC interrupt handling. Interrupts are enabled in
26–6.7).
26–569. If the peripheral clock is selected, select
4–63), set bit PCRTC.
(Table
(Section
Section 26–7
4–56). For the RTC, the peripheral
7–3.4).
for power saving options.
© NXP B.V. 2009. All rights reserved.
User manual
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