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DSP56857 Datasheet(PDF) 559 Page - Freescale Semiconductor, Inc

Part # DSP56857
Description  Digitial Signal Controller
PDF  662 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

DSP56857 Datasheet(HTML) 559 Page - Freescale Semiconductor, Inc

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Application:
Date:
Programmer:
Sheet
Appendix B - Programmer’s Sheets, Rev. 4
Freescale Semiconductor
B-57
5 of 9
SCI
SCI Control Register 2 (SCISR2)
SCI Control
Register 2 (SCICR2)
Base + $2
Bits
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Read
0
0
0
0
0
0
0
0
0
0
0
0
0
RIIE TDE RDE
Write
RESET
00
00
00
00
00
00
00
00
Bits
Name
Description
2
RIIE
Receiver Idle Interrupt Enable
This bit is used to inform the processor a message has completed when using DMA in a wake-up
mode of operation. The receiver is normally configured until a message is detected.
1
TDE
Transmitter DMA Enable
Setting this bit allows transmit DMA requests to the DMA controller. Fro transmit DMA operation,
this bit must be set and a DMA channel must be enabled to utilize the request.
0
Transmit DMA disabled
1
Transmit DMA enabled
0
RDE
Receiver DMA Enable
Setting this bit allows received DMA requests to the DMA controller. For receive DMA operation,
this bit must be set and a DMA channel must be enabled to utilize the request.
0
Receive DMA disabled
1
Receive DMA enabled
denotes Reserved Bits



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