UPD77015GC NEC, UPD77015GC Datasheet - Page 23
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UPD77015GC
Manufacturer Part Number
UPD77015GC
Description
16 bits/ Fixed-point Digital Signal Processor
Manufacturer
NEC
Datasheet
1.UPD77015GC.pdf
(60 pages)
- Current page: 23 of 60
- Download datasheet (425Kb)
3. INSTRUCTIONS
3.1 Outline
(min.) per instruction. There are following 9 instruction types.
All PD77017 instructions are one-word instructions, consisting of 32 bits. And they are executed in 30 ns
(1) Trinomial instructions
(2) Dyadic operation instructions
(3) Monadic operation instructions
(4) Load/store instructions
(5) Inter-register transfer instructions
(6) Immediate data set instructions
(7) Branch instructions
(8) Hardware loop instructions
(9) Control Instructions
: specify the Acc operation. 3 of general registers are specified optionally as the operation object.
: specify the Acc, ALU or shifter operation. 2 of general registers are specified optionally as the operation
: specify operations by ALU. 1 general register is specified optionally as the operation object.
: transfer 16 bits data from memory to general registers, from general registers to memory and between general
: transfer data between general register and other registers.
: set immediate data at general registers or each registers of address operation unit.
: specify the direction of the program flow.
: specify times of instruction repeating.
: specify the control program.
object. Some instructions can specify a general register and immediate data.
registers.
PD77015, 77017, 77018
23
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