LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 102
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC2468FET208,551
Manufacturer:
NXP
Quantity:
6 174
Company:
Part Number:
LPC2468FET208,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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4. Memory Acceleration Module blocks
UM10237_4
User manual
4.1 Flash memory bank
Branches and other program flow changes cause a break in the sequential flow of
instruction fetches described above. The Branch Trail buffer captures the line to which
such a non-sequential break occurs. If the same branch is taken again, the next
instruction is taken from the Branch Trail buffer. When a branch outside the contents of the
prefetch and Branch Trail buffer is taken, a stall of several clocks is needed to load the
Branch Trail buffer. Subsequently, there will typically be no further instruction fetch delays
until a new and different branch occurs.
If an attempt is made to write directly to the Flash memory, without using the normal Flash
programming interface, the MAM generates a data abort.
The Memory Accelerator Module is divided into several functional blocks:
Figure 6–20
paths.
In the following descriptions, the term “fetch” applies to an explicit Flash read request from
the ARM. “Pre-fetch” is used to denote a Flash read of instructions beyond the current
processor fetch address.
There is one bank of Flash memory for the LPC2400 MAM.
Flash programming operations are not controlled by the MAM, but are handled as a
separate function. A “boot block” sector contains Flash programming algorithms that may
be called as part of the application program, and a loader that may be run to allow serial
programming of the Flash memory.
•
•
•
•
•
•
A Flash Address Latch and an incrementor function to form prefetch addresses
A 128 bit prefetch buffer and an associated Address latch and comparator
A 128 bit Branch Trail buffer and an associated Address latch and comparator
A 128 bit Data buffer and an associated Address latch and comparator
Control logic
Wait logic
shows a simplified block diagram of the Memory Accelerator Module data
Rev. 04 — 26 August 2009
Chapter 6: LPC24XX Memory Accelerator Module (MAM)
UM10237
© NXP B.V. 2009. All rights reserved.
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