r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1309

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

25.3.7
HACTSR is a 32-bit read/write register that indicates the status of the HAC TX controller. Writing
0 to the bit will initialize it.
Initial value:
Initial value:
Bit
31
30
29
28
R/W:
R/W:
Bit:
Bit:
TX Status Register (HACTSR)
Bit Name
CMDAMT
CMDDMT
PLTFRQ
PRTFRQ
CMD
AMT
R/W
31
15
⎯
R
1
0
CMD
DMT
R/W
⎯
30
14
R
1
0
FRQ
R/W
PLT
29
13
⎯
R
1
0
Initial
Value
1
1
1
1
PRT
FRQ
R/W
28
12
⎯
R
1
0
R/W*
R/W
R/W
R/W
R/W
27
11
⎯
⎯
R
R
0
0
2
26
⎯
10
⎯
R
R
0
0
Description
Command Address Empty
0: CSAR TX buffer contains untransmitted data.
1: CSAR TX buffer is empty and ready to store data.*
Command Data Empty
0: CSDR TX buffer contains untransmitted data.
1: CSDR TX buffer is empty and ready to store data. *
PCML TX Request
0: PCML TX buffer contains untransmitted data.
1: PCML TX buffer is empty and needs to store data. In
PCMR TX Request
0: PCMR TX buffer contains untransmitted data.
1: PCMR TX buffer is empty and needs to store data. In
FUN
PLT
R/W
⎯
25
DMA mode, writing to HACPCML will automatically
clear this bit to 0.
DMA mode, writing to HACPCMR will automatically
clear this bit to 0.
R
0
9
0
PRT
FUN
R/W
24
⎯
R
0
8
0
23
⎯
⎯
R
R
0
7
0
Rev.1.00 Jan. 10, 2008 Page 1279 of 1658
22
⎯
⎯
R
0
R
0
6
21
⎯
⎯
R
0
R
0
5
25. Audio Codec Interface (HAC)
20
⎯
⎯
R
R
0
4
0
19
⎯
⎯
R
R
0
3
0
REJ09B0261-0100
18
⎯
⎯
R
R
0
2
0
17
⎯
⎯
R
R
0
1
0
16
⎯
R
R
⎯
0
0
0
1
1