Renesas SH7781 用户手册
25. Audio Codec Interface (HAC)
Rev.1.00 Jan. 10, 2008 Page 1278 of 1658
REJ09B0261-0100
REJ09B0261-0100
25.3.6
TX Interrupt Enable Register (HACTIER)
HACTIER is a 32-bit read/write register that enables or disables HAC TX interrupts.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Bit:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Initial value:
R
R
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W:
Bit:
Initial value:
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R/W
R/W
PLTF
UNIE
UNIE
PRTF
UNIE
⎯
⎯
⎯
⎯
⎯
⎯
PLTF
RQIE
RQIE
PRTF
RQIE
0
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
31, 30
⎯ All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
always be 0.
29
PLTFRQIE 0
R/W
PCML TX Request Interrupt Enable
0: Disables PCML TX request interrupts.
1: Enables PCML TX request interrupts.
28
PRTFRQIE 0
R/W
PCMR TX Request Interrupt Enable
0: Disables PCMR TX request interrupts.
1: Enables PCMR TX request interrupts.
27 to 10
⎯ All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
always be 0.
9
PLTFUNIE 0
R/W
PCML TX Underrun Interrupt Enable
0: Disables PCML TX underrun interrupts.
1: Enables PCML TX underrun interrupts.
8
PRTFUNIE 0
R/W
PCMR TX Underrun Interrupt Enable
0: Disables PCMR TX underrun interrupts.
1: Enables PCMR TX underrun interrupts.
7 to 0
⎯ All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
always be 0.