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DSP56303 数据表(PDF) 271 Page - Freescale Semiconductor, Inc

部件名 DSP56303
功能描述  DSP56303 USER?셎 MANUAL
PDF  292 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

DSP56303 数据表(HTML) 271 Page - Freescale Semiconductor, Inc

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Programming Sheets
DSP56303 User’s Manual, Rev. 2
Freescale Semiconductor
B-27
Figure B-18. SCI Clock Control Registers (SCCR)
Application:
Date:
Programmer:
Sheet 2 of 2
SCI
SCI Clock Control Register (SCCR)
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
CD7
CD5
CD4
CD3
CD2
CD1
CD0
23
*= Reserved, Program as 0
CD6
*0 TCM RCM SCP COD CD11 CD10 CD9 CD8
Clock Divider Bits (CD11–CD0)
CD11–CD0
Icyc Rate
$000
Icyc/1
$001
Icyc/2
$002
Icyc/3
••
••
••
$FFE
Icyc/4095
$FFF
Icyc/4096
SCI Clock Prescaler
0 = ÷1 1 = ÷ 8
Clock Out Divider
0 = Divide clock by 16 before feed to SCLK
1 = Feed clock to directly to SCLK
TCM
RCM
TX Clock
RX Clock
SCLK Pin
Mode
0
0
Internal
Internal
Output
Synchronous/Asynchronous
0
1
Internal
External
Input
Asynchronous only
1
0
External
Internal
Input
Asynchronous only
1
1
External
External
Input
Synchronous/Asynchronous
Receiver Clock Mode/Source
0 = Internal clock for Receiver
1 = External clock from SCLK
Transmitter Clock Mode/Source
0 = Internal clock for Transmitter
1 = External clock from SCLK
Address X:$FFFF9B Read/Write
Reset = $000000



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