Texas Instruments CC2650DK 사용자 설명서
I2S Registers
22.10.1.1 AIFWCLKSRC Register (Offset = 0h) [reset = X]
AIFWCLKSRC is shown in
and described in
WCLK Source Selection
Figure 22-8. AIFWCLKSRC Register
31
30
29
28
27
26
25
24
RESERVED
R-X
23
22
21
20
19
18
17
16
RESERVED
R-X
15
14
13
12
11
10
9
8
RESERVED
R-X
7
6
5
4
3
2
1
0
RESERVED
WCLK_INV
WCLK_SRC
R-X
R/W-X
R/W-X
Table 22-2. AIFWCLKSRC Register Field Descriptions
Bit
Field
Type
Reset
Description
31-3
RESERVED
R
X
Software should not rely on the value of a reserved. Writing any
other value than the reset value may result in undefined behavior.
other value than the reset value may result in undefined behavior.
2
WCLK_INV
R/W
X
Inverts WCLK source (pad or internal) when set. 0: Not inverted 1:
Inverted
Inverted
1-0
WCLK_SRC
R/W
X
Selects WCLK source for AIF (should be the same as the BCLK
source). The BCLK source is defined in the
PRCM:I2SBCLKSEL.SRC
source). The BCLK source is defined in the
PRCM:I2SBCLKSEL.SRC
0h = None ('0')
1h = External WCLK generator, from pad
2h = Internal WCLK generator, from module PRCM/ClkCtrl
3h = Not supported. Will give same WCLK as 'NONE' ('00')
1424
Integrated Interchip Sound (I2S) Module
SWCU117A – February 2015 – Revised March 2015
Copyright © 2015, Texas Instruments Incorporated