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SH7712 Datasheet, PDF (176/978 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series | |||
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Section 3 DSP Operating Unit
Table 3.28 Operation Definition of PDMSB
Source Data
Guard Bit
39 38 ⦠33 32
Upper Word
31 30 29 28 â¦
0 0 â¦0 0
0 0 â¦0 0
0 0 â¦0 0
0 0 â¦0 0
:
0 0 â¦0 0
0 0 â¦0 0
0 0 â¦0 0
0 0 â¦0 0
0 0 â¦0 1
:
0 1 â¦* *
1 0 â¦* *
0000â¦
0000â¦
0000â¦
0000â¦
:
0001â¦
001*â¦
01**â¦
1***â¦
****â¦
:
****â¦
****â¦
1 1 â¦1 0 * * * * â¦
1 1 â¦1 1 0 * * * â¦
1 1 â¦1 1 1 0 * * â¦
1 1 â¦1 1 1 1 0 * â¦
1 1 â¦1 1 1 1 1 0 â¦
:
:
1 1 â¦1 1 1 1 1 1 â¦
1 1 â¦1 1 1 1 1 1 â¦
1 1 â¦1 1 1 1 1 1 â¦
1 1 â¦1 1 1 1 1 1 â¦
Note: * means donât care.
Lower Word
3210
0000
0001
001*
01**
****
****
****
****
****
****
****
****
****
****
****
****
10**
110*
1110
1111
Result for DST
Guard
Bit
Upper Word
39â32
31â22 21 20 19 18 17 16 Deci-
mal
All 0
All 0 0 1 1 1 1 1 +31
All 0
All 0 0 1 1 1 1 0 +30
All 0
All 0 0 1 1 1 0 1 +29
All 0
All 0 0 1 1 1 0 0 +28
:
All 0
All 0 0 0 0 0 1 0 +2
All 0
All 0 0 0 0 0 0 1 +1
All 0
All 0 0 0 0 0 0 0 0
All 1
All 1 1 1 1 1 1 1 â1
All 1
All 1 1 1 1 1 1 0 â2
:
All 1
All 1 1 1 1 0 0 0 â8
All 1
All 1 1 1 1 0 0 0 â8
:
All 1
All 1 1 1 1 1 1 0 â2
All 1
All 1 1 1 1 1 1 1 â1
All 0
All 0 0 0 0 0 0 0 0
All 0
All 0 0 0 0 0 0 1 +1
All 0
All 0 0 0 0 0 1 0 +2
:
All 0
All 0 0 1 1 1 0 0 +28
All 0
All 0 0 1 1 1 0 1 +29
All 0
All 0 0 1 1 1 1 0 +30
All 0
All 0 0 1 1 1 1 1 +31
Rev. 1.00 Dec. 27, 2005 Page 134 of 1044
REJ09B0269-0100
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