r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1033

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

20.3.22 MC Status Register (MCSR)
MCSR is in the MC register block and indicates the internal states of the MC.
Initial value:
Initial value:
Bit
31 to 11 ⎯
10 to 8
7 to 4
3
R/W:
R/W:
BIt:
BIt:
Bit Name
MC_CFA
⎯
MC_CFF
31
15
⎯
⎯
⎯
⎯
0
0
30
14
⎯
⎯
⎯
⎯
0
0
29
13
⎯
⎯
⎯
⎯
0
0
Initial
Value
All 0
All 0
0
All 0
28
⎯
⎯
12
⎯
⎯
0
0
R/W
⎯
R
⎯
R
27
⎯
⎯
11
⎯
⎯
0
0
26
10
⎯
⎯
R
0
0
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Indicates the number of commands accumulated in
MCCF (command FIFO); maximum number accumulated
is 4
Number of accumulated commands:
000: 0
001: 1
010: 2
011: 3
100: 4
Reserved
These bits are always read as 0. The write value should
always be 0.
MCCF status display
Indicates the state of command buffer reception.
0: Command receivable
1: Command buffer full
MC_CFA
25
⎯
⎯
R
0
9
0
24
⎯
⎯
R
0
8
0
20. Graphics Data Translation Accelerator (GDTA)
23
⎯
⎯
⎯
⎯
0
7
0
Rev.1.00 Jan. 10, 2008 Page 1003 of 1658
22
⎯
⎯
⎯
⎯
0
6
0
21
⎯
⎯
⎯
⎯
0
5
0
20
⎯
⎯
⎯
⎯
0
4
0
MC_CFF
19
⎯
⎯
R
0
3
0
REJ09B0261-0100
18
⎯
⎯
R
0
2
0
MC_CFS
17
⎯
⎯
R
0
1
0
16
⎯
⎯
R
0
0
0