LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 324

• 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
19.5 Memory bank select
<Document ID>
User manual
Fig 29. EMC block diagram
Eight independently-configurable memory chip selects are supported:
Static memory chip select ranges are each 16 Megabytes in size, while dynamic memory
chip selects cover a range of 256 megabytes each.
of the chip selects.
Table 263. Memory bank selection
Chip select pin
EMC_CS0
EMC_CS1
EMC_CS2
EMC_CS3
EMC_DYCS0
EMC_DYCS1
EMC_DYCS2
EMC_DYCS3
•
•
INTERFACE
INTERFACE
AHB SLAVE
AHB SLAVE
REGISTER
MEMORY
Pins EMC_CS3 to EMC_CS0 are used to select static memory devices.
Pins EMC_DYCS3 to EMC_DYCS0 are used to select dynamic memory devices.
EMC
CONTROLLER
All information provided in this document is subject to legal disclaimers.
BUFFERS
MACHINE
MEMORY
STATE
DATA
Address range
0x1C00 0000 - 0x1CFF FFFF
0x1D00 0000 - 01DFF FFFF
0x1E00 0000 - 0x1EFF FFFF
0x1F00 0000 - 0x1FFF FFFF
0x2800 0000 - 0x2FFF FFFF
0x3000 0000 - 0x3FFF FFFF
0x6000 0000 - 0x6FFF FFFF
0x7000 0000 - 0x7FFF FFFF
Rev. 00.13 — 20 July 2011
Chapter 19: LPC18xx External Memory Controller (EMC)
EXTBUS_A[23:0]
EXTBUS_D[31:0]
EXTBUS_WE
EXTBUS_OE
EXTBUS_BLS[3:0]
EXTBUS_CS[3:0]
EXTBUS_DYCS[3:0]
EXTBUS_CAS
EXTBUS_RAS
EXTBUS_CLK[3:0]
EXTBUS_CKEOUT[3:0]
EXTBUS_DQMOUT[3:0]
Table 263
Memory type
Static
Static
Static
Static
Dynamic
Dynamic
Dynamic
Dynamic
shows the address ranges
16 MB
16 MB
Size of range
16 MB
16 MB
128 MB
256 MB
256 MB
256 MB
shared
signals
static
memory
signals
dynamic
memory
signals
UM10430
© NXP B.V. 2011. All rights reserved.
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