LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 521

• 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
<Document ID>
User manual
Fig 48. TxDMA operation in OSF mode
No
No
prev. frame’s TDES0
Write status word to
Write time stamp to
TxDMA suspended
for previous frame
TDES2 & TDES3
status available
Previous frame
Time stamp
present?
demand
(AHB)
error?
(AHB)
error?
Yes
No
Poll
Yes
Yes
All information provided in this document is subject to legal disclaimers.
Close intermediate
Rev. 00.13 — 20 July 2011
descriptor
No
No
No
prev. frame’s TDES0
Write status word to
Transfer data from
(Re-)fetch next
Start TxDMA
Time stamp
Frame xfer
complete?
descriptor
present?
buffer(s)
bit set?
(AHB)
(AHB)
(AHB)
error?
error?
error?
Own
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Start
No
Chapter 22: LPC18xx Ethernet
Write time stamp to
for previous frame
TDES2 & TDES3
frame’s Tx status
Wait for previous
Stop TxDMA
Second
frame?
(AHB)
UM10430
error?
© NXP B.V. 2011. All rights reserved.
Yes
No
521 of 1164
Yes