OM11077 NXP Semiconductors, OM11077 Datasheet - Page 619

• Manufacturer Part Number: OM11077
• Description: MODULE DIMM LPC2478 ARM7
• Manufacturer: NXP Semiconductors

Specifications of OM11077

• Accessory Type: Module Card
• For Use With/related Products: ARM-57TS-LPC2478
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-4742

NXP Semiconductors
UM10237_4
User manual
Table 542. Conditions for FIFO level comparison
System signaling occurs when a level detection is true and enabled.
Table 543. DMA and interrupt request generation
Table 544. Status feedback in the I2SSTATE register
Level Comparison
dmareq_tx_1
dmareq_rx_1
dmareq_tx_2
dmareq_rx_2
irq_tx
irq_rx
System Signaling
irq
dmareq[0]
dmareq[1]
Status Feedback
irq
dmareq1
dmareq2
Rev. 04 — 26 August 2009
Condition
tx_depth_dma1 >= tx_level
rx_depth_dma1 <= rx_level
tx_depth_dma2 >= tx_level
rx_depth_dma2 <= rx_level
tx_depth_irq >= tx_level
rx_depth_irq <= rx_level
Condition
(irq_rx & rx_irq_enable) | (irq_tx & tx_irq_enable
(dmareq_tx_1 & tx_dma1_enable ) | (dmareq_rx_1 &
rx_dma1_enable )
( dmareq_tx_2 & tx_dma2_enable ) | (dmareq_rx_2 &
rx_dma2_enable )
Status
irq_rx | irq_tx
(dmareq_tx_1 | dmareq_rx_1)
(dmareq_rx_2 | dmareq_tx_2)
Chapter 23: LPC24XX I
UM10237
© NXP B.V. 2009. All rights reserved.
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