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Z8932320FEC View Datasheet(PDF) - Zilog

Part Name
Description
Manufacturer
Z8932320FEC Datasheet PDF : 61 Pages
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PRELIMINARY
INSTRUCTION FORMAT (Continued)
Z89323/373/393
16-BIT DIGITAL SIGNAL PROCESSORS
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
1st Word
General Instruction Format
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
2nd Word
Immediate Data
Figure 37. Immediate Data Load Format
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
ACC Modification Codes
0 0 0 0 ROR Rotate right
0 0 0 1 ROL Rotate left
0 0 1 0 SHR Shift right
0 0 1 1 SHL Shift left
0 1 0 0 INC Increment (LSB)
0 1 0 1 DEC Decrement (LSB)
0 1 1 0 NEG Negate
0 1 1 1 ABS Absolute
Condition Codes
0 0 0 0 TRUE
0 0 0 1 ----
0 0 1 0 U01=0
0 0 1 1 UO1=0
0 1 0 0 C =0
0 1 0 1 Z=0
0 1 1 0 OV=0
0 1 1 1 N=0
1xxx ----
0 0 0 0 TRUE
0001 ----
0 0 1 0 UO0=1
0 0 1 1 UO1=1
0 1 0 0 C=1
0 1 0 1 Z=1
0 1 1 0 OV=1
0 1 1 1 N=1
1xxx ----
0 = Negative Condition
1 = Positive Condition
Opcode
1001000
Figure 38. Accumulator Modification Format
42
DS95DSP0101 Q4/95

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