LPC1810FET100,551 NXP Semiconductors, LPC1810FET100,551 Datasheet - Page 529

• Manufacturer Part Number: LPC1810FET100,551
• Description: IC MCU 32BIT 136KB FLSH 100TFBGA
• Manufacturer: NXP Semiconductors
• Series: LPC18xxr

Specifications of LPC1810FET100,551

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 150MHz
• Connectivity: CAN, EBI/EMI, I²C, Microwire, SPI, SSI, SSP, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 64
• Program Memory Size: -
• Program Memory Type: ROMless
• Eeprom Size: -
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

NXP Semiconductors
<Document ID>
User manual
Fig 51. Transmit descriptor fetch (read) for enhanced format
TDES3
TDES2
TDES0
TDES1
31
W
O
N
R
E
S
[30:26]
Ctrl
Table 437. Transmit descriptor word 0 (TDES0)
Bit
0
1
2
Buffer 2 Byte Count [28:16]
Buffer 2 Address [31:0] or Next Descriptor Address [31:0]
S
E
T
T
Symbol
DB
UF
ED
R
E
S
All information provided in this document is subject to legal disclaimers.
[23:20]
Ctrl
Description
Deferred Bit
When set, this bit indicates that the MAC defers before transmission
because of the presence of carrier. This bit is valid only in Half-Duplex mode.
Underflow Error
When set, this bit indicates that the MAC aborted the frame because data
arrived late from the Host memory. Underflow Error indicates that the DMA
encountered an empty transmit buffer while transmitting the frame. The
transmission process enters the Suspended state and sets both Transmit
Underflow (Register 5[5]) and Transmit Interrupt (Register 5[0]).
Excessive Deferral
When set, this bit indicates that the transmission has ended because of
excessive deferral of over 24,288 bit times (155,680 bits times in
1,000-Mbps mode or if Jumbo Frame is enabled) if the Deferral Check (DC)
bit in the MAC Control register is set high.
Rev. 00.13 — 20 July 2011
Buffer 1 Address [31:0]
R
E
S
Reserved for
Status [17:7]
R
E
S
Buffer 1 Byte Count [12:0]
Number
SLOT
[6:3]
Chapter 22: LPC18xx Ethernet
Reserved for
Status [3:0]
UM10430
© NXP B.V. 2011. All rights reserved.
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