MB86330 Fujitsu Media Devices Limited, MB86330 Datasheet - Page 27

• Manufacturer Part Number: MB86330
• Description: 16-bit Fixed-point DSP
• Manufacturer: Fujitsu Media Devices Limited

(2) NOG Mode
In this mode, the CX and DX registers are handled as a 32-bit accumulator in which detected overflow is clipped.
• Fixed-point type multiplication (signed data x signed data)
31 bits of the result of a signed operation are stored into bits 1 to 31 in the accumulator shifted to the left by
one bit. “0” is set at bit 0.
15 14 13 12
31 30 29
S
S
S
28
31 bits of an operation result
17 16 15 14
1
0
2
1
0
0
0
www.DataSheet4U.com
16 bits
16 bits
32 bits
MB86330
27