LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 297

• Manufacturer Part Number: LPC1837FET256,551
• Description: Microcontrollers (MCU) 32BIT ARM CORTEX-M3 MCU 136KB SRAM
• Manufacturer: NXP Semiconductors
• Series: LPC18xxr

Specifications of LPC1837FET256,551

• Core: ARM Cortex M3
• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 150MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, SD/MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-LBGA
• Lead Free Status / Rohs Status: Details
• Other names: 935293795551

NXP Semiconductors
18.5 Pin description
<Document ID>
User manual
Fig 28. SD/MMC block diagram
Interface
Interface
*** Optional RAM Interface
****
Interrupts
Note: The card_detect and write-protect signals are from the
SD/MMC card socket and not from the SD/MMC card.
APB/AHB
Interface
Master
status
Slave
AHB
RAM
FIFO RAM can be chosen as either internal or external RAM
clk
***
,
Controller
Interface
Interface
Interrupt
Internal
Control
Control
DMA
DMA
Host
Table 223. SDIO pin description
Unit
Pin name
SD_CLK
SD_CD
SD_WP
SD_LED
SD_CMD
SD_D[7:0]
SD_POW
SD_VOLT[2:0]
RAM****
BIU
FIFO
Card Detect,
& Debounce
Registers
Control
Control
Power,
Pullup,
FIFO
All information provided in this document is subject to legal disclaimers.
Rev. 00.13 — 20 July 2011
Direction Description
O
O
O
O
I/O
I/O
SD/SDIO/MMC clock
SDIO card detect for single slot
SDIO card write protect
LED On signal. This signal cautions the user not to remove
the SD card while it is accessed.
Command input/output
Data input/output for data lines DAT[7:0]
Command
Interrupt
De-Mux
Control
Control
Control
SDIO
MUX/
Data
CIU
Path
Path
Unit
Control
Clock
Chapter 18: LPC18xx SD/MMC interface
Protect
Detect
cdata
ccmd
Write
Card
cclk
cclk_in_drv
cclk_in_sample
cclk_in
UM10430
© NXP B.V. 2011. All rights reserved.
Socket
Regulators
Switches
Power
Cards
297 of 1164