參數(shù)資料
型號: XRM48L950PGET
廠商: Texas Instruments
文件頁數(shù): 3/176頁
文件大?。?/td> 0K
描述: MCU 16/32Bit FLASH 3MB 144LQFP
標準包裝: 1
系列: Hercules™ ARM® RM4x
應用: 工業(yè)安全,醫(yī)療
核心處理器: ARM? Cortex? - R4F
程序存儲器類型: 閃存(3MB)
控制器系列: RM4
RAM 容量: 256K x 8
接口: CAN,以太網(wǎng),I²C,LIN,MibSPI,SCI,SPI,USB
輸入/輸出數(shù): 64
電源電壓: 1.14 V ~ 3.6 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
包裝: 托盤
供應商設備封裝: 144-LQFP(20x20)
其它名稱: 296-29389
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
4.16.2 Default DMA Request Map
The DMA module on this microcontroller has 16 channels and up to 32 hardware DMA requests. The
module contains DREQASIx registers which are used to map the DMA requests to the DMA channels. By
default, channel 0 is mapped to request 0, channel 1 to request 1, and so on.
Some DMA requests have multiple sources, as shown in Table 4-32. The application must ensure that
only one of these DMA request sources is enabled at any time.
Table 4-32. DMA Request Line Connection
Modules
DMA Request Sources
DMA Request
MIBSPI1
MIBSPI1[1](1)
DMAREQ[0]
MIBSPI1
MIBSPI1[0](2)
DMAREQ[1]
SPI2
SPI2 receive
DMAREQ[2]
SPI2
SPI2 transmit
DMAREQ[3]
MIBSPI1 / MIBSPI3 / DCAN2
MIBSPI1[2] / MIBSPI3[2] / DCAN2 IF3
DMAREQ[4]
MIBSPI1 / MIBSPI3 / DCAN2
MIBSPI1[3] / MIBSPI3[3] / DCAN2 IF2
DMAREQ[5]
DCAN1 / MIBSPI5
DCAN1 IF2 / MIBSPI5[2]
DMAREQ[6]
MIBADC1 / MIBSPI5
MIBADC1 event / MIBSPI5[3]
DMAREQ[7]
MIBSPI1 / MIBSPI3 / DCAN1
MIBSPI1[4] / MIBSPI3[4] / DCAN1 IF1
DMAREQ[8]
MIBSPI1 / MIBSPI3 / DCAN2
MIBSPI1[5] / MIBSPI3[5] / DCAN2 IF1
DMAREQ[9]
MIBADC1 / I2C / MIBSPI5
MIBADC1 G1 / I2C receive / MIBSPI5[4]
DMAREQ[10]
MIBADC1 / I2C / MIBSPI5
MIBADC1 G2 / I2C transmit / MIBSPI5[5]
DMAREQ[11]
RTI / MIBSPI1 / MIBSPI3
RTI DMAREQ0 / MIBSPI1[6] / MIBSPI3[6]
DMAREQ[12]
RTI / MIBSPI1 / MIBSPI3
RTI DMAREQ1 / MIBSPI1[7] / MIBSPI3[7]
DMAREQ[13]
MIBSPI3 / USB Device / MibADC2 / MIBSPI5
MIBSPI3[1](1) / USB_FUNC.DMATXREQ_ON[0] /
DMAREQ[14]
MibADC2 event / MIBSPI5[6]
MIBSPI3 / USB Device / MIBSPI5
MIBSPI3[0](2) / USB_FUNC.DMARXREQ_ON[0] /
DMAREQ[15]
MIBSPI5[7]
MIBSPI1 / MIBSPI3 / DCAN1 / MibADC2
MIBSPI1[8] / MIBSPI3[8] / DCAN1 IF3 / MibADC2 G1
DMAREQ[16]
MIBSPI1 / MIBSPI3 / DCAN3 / MibADC2
MIBSPI1[9] / MIBSPI3[9] / DCAN3 IF1 / MibADC2 G2
DMAREQ[17]
RTI / USB Device / MIBSPI5
RTI DMAREQ2 / USB_FUNC.DMATXREQ_ON[1] /
DMAREQ[18]
MIBSPI5[8]
RTI / USB Device / MIBSPI5
RTI DMAREQ3 / USB_FUNC.DMARXREQ_ON[1] /
DMAREQ[19]
MIBSPI5[9]
N2HET1 / N2HET2 / DCAN3
N2HET1 DMAREQ[4] / N2HET2 DMAREQ[4] / DCAN3
DMAREQ[20]
IF2
N2HET1 / N2HET2 / DCAN3
N2HET1 DMAREQ[5] / N2HET2 DMAREQ[5] / DCAN3
DMAREQ[21]
IF3
MIBSPI1 / MIBSPI3 / MIBSPI5
MIBSPI1[10] / MIBSPI3[10] / MIBSPI5[10]
DMAREQ[22]
MIBSPI1 / MIBSPI3 / MIBSPI5
MIBSPI1[11] / MIBSPI3[11] / MIBSPI5[11]
DMAREQ[23]
N2HET1 / N2HET2 / SPI4 / MIBSPI5
N2HET1 DMAREQ[6] / N2HET2 DMAREQ[6] / SPI4
DMAREQ[24]
receive / MIBSPI5[12]
N2HET1 / N2HET2 / SPI4 / MIBSPI5
N2HET1 DMAREQ[7] / N2HET2 DMAREQ[7] / SPI4
DMAREQ[25]
transmit / MIBSPI5[13]
CRC / MIBSPI1 / MIBSPI3
CRC DMAREQ[0] / MIBSPI1[12] / MIBSPI3[12]
DMAREQ[26]
CRC / MIBSPI1 / MIBSPI3
CRC DMAREQ[1] / MIBSPI1[13] / MIBSPI3[13]
DMAREQ[27]
LIN / USB Device / MIBSPI5
LIN receive / USB_FUNC.DMATXREQ_ON[2] /
DMAREQ[28]
MIBSPI5[14]
LIN / USB Device / MIBSPI5
LIN transmit / USB_FUNC.DMARXREQ_ON[2] /
DMAREQ[29]
MIBSPI5[15]
MIBSPI1 / MIBSPI3 / SCI / MIBSPI5
MIBSPI1[14] / MIBSPI3[14] / SCI receive /
DMAREQ[30]
MIBSPI5[1](1)
(1)
SPI1, SPI3, SPI5 receive in compatibility mode
(2)
SPI1, SPI3, SPI5 transmit in compatibility mode
100
System Information and Electrical Specifications
Copyright 2012–2013, Texas Instruments Incorporated
Product Folder Links: RM48L950 RM48L750 RM48L550
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