参数资料
型号: B900J24PXX12I
元件分类: 数字信号处理
英文描述: 0-BIT, 80 MHz, OTHER DSP, PQFP44
文件页数: 61/100页
文件大小: 1547K
代理商: B900J24PXX12I
Lucent Technologies Inc.
63
Advance Data Sheet
B900
July 1999
Baseband Signal Processor
5 Software Architecture (continued)
5.4
Instruction Set Formats
This section defines the hardware-level encoding of the B900 instructions.
5.4.1 Multiply/ALU Instructions
5.4.2 Special Function Instructions
Table 55. Format 1: Multiply/ALU Read/Write Group
Field
TD
S
F1
X
Y
Bit
15 14 13 12 11 10
9876
543210
Table 56. Format 1a: Multiply/ALU Read/Write Group
Field
TaT
SF1
X
Y
Bit
15 14 13 12 11 10
9
87654321
0
Table 57. Format 2: Multiply/ALU Read/Write Group
Field
TD
S
F1
X
Z
Bit
15 14 13 12 11 10
98
765
43
21
0
Table 58. Format 2a: Multiply/ALU Read/Write Group
Field
TaT
SF1X
Z
Bit
15 14 13 12 11 10
98
765
43
21
0
Table 59. Format 3: F2 ALU Special Functions
Field
TD
S
F2
CON
Bit
15 14 13 12 11 10
987
654321
0
Table 60. Format 3a: F3 ALU Operations
Field
T
D
S
F3
SRC2
aT
01
Bit
15 14 13 12 11 10
987
654321
0
Table 61. Format 3b: BMU Operations
Field
T
D
S
F4[3—1]
0
F4[0]
AR
Immediate Operand (IM16)
Bit
15
14
13
12
11
10
9
8765
4321
0
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