SPRUGZ8D Datasheet, PDF (2223/3016 Pages) Texas Instruments – Technical Reference Manual

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McBSP Registers
17.3.21 McBSP Transmit Control Register 1 (XCR1_REG)
The McBSP_XCR1_REG register is shown in Figure 17-53 and described in Table 17-40.
Figure 17-53. McBSP_XCR1_REG
31
15 14
Reserved
XFRLEN1
R-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
87
54
0
XWDLEN1
Reserved
R/W-0
R-0
Bit
31-15
14-8
Field
Reserved
XFRLEN1
7-5 XWDLEN1
4-0 Reserved
Table 17-40. McBSP_XCR1_REG Field Descriptions
Value
0
0
1h
2h
3h
4h
5h
6h
7h
0
Description
Reserved
Transmit Frame Length 1
Single-phase frame selected:
XFRLEN1=000 0000 - 1 word per frame.
XFRLEN1=000 0001 - 2 words per frame.
XFRLEN1=111 1111 - 128 words per frame.
Dual-phase frame selected:
XFRLEN1=000 0000 - 1 word per phase
Other values are reserved
Transmit Word Length 1
8 bits
12 bits
16 bits
20 bits
24 bits
32 bits
Reserved (do not use)
Reserved (do not use)
Reserved
SPRUGZ8D – 14 November 2011 – Revised April 2013
Multichannel Buffered Serial Port (McBSP)
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