LPC2468FET208,551 NXP Semiconductors, LPC2468FET208,551 Datasheet - Page 560
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
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UM10237_4
User manual
Fig 110. Pending command start
MCIDAT0
CmdPend
cmd state
MCICMD
MCICLK
counter
data
5.3.10 CRC Token status
5.3.9 Bus mode
Z
3
The data block counter determines the end of a data block. If the counter is zero, the
end-of-data condition is TRUE (see
0xE008 C02C)”
In wide bus mode, all four data signals (MCIDAT[3:0]) are used to transfer data, and the
CRC code is calculated separately for each data signal. While transmitting data blocks to
a card, only MCIDAT0 is used for the CRC token and busy signalling. The start bit must be
transmitted on all four data signals at the same time (during the same clock period). If the
start bit is not detected on all data signals on the same clock edge while receiving data,
the DPSM sets the start bit error flag and moves to the IDLE state.
The data path also operates in half-duplex mode, where data is either sent to a card or
received from a card. While not being transferred, MCIDAT[3:0] are in the HI-Z state.
Data on these signals is synchronous to the rising edge of the clock period.
If standard bus mode is selected the MCIDAT[3:1] outputs are always in HI-Z state and
only the MCIDAT0 output is driven LOW when data is transmitted.
Design note: If wide mode is selected, both nMCIDAT0EN and nMCIDATEN outputs are
driven low at the same time. If not, the MCIDAT[3:1] outputs are always in HI-Z state
(nMCIDATEN) is driven HIGH), and only the MCIDAT0 output is driven LOW when data is
transmitted.
The CRC token status follows each write data block, and determines whether a card has
received the data block correctly. When the token has been received, the card asserts a
busy signal by driving MCIDAT0 LOW.
Table 486. CRC token status
Token
010
101
2
Z
7
PEND
1
Z
for more information).
Description
Card has received error-free data block.
Card has detected a CRC error.
0
Z
Rev. 04 — 26 August 2009
7
Z
Section 21–6.9 “Data Control Register (MCIDataCtrl -
6
S
Table 21–486
Chapter 21: LPC24XX SD/MMC card interface
CMD
5
CMD
shows the CRC token status values.
4
6
SEND
CMD
3
CMD
UM10237
2
© NXP B.V. 2009. All rights reserved.
CMD
1
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