參數(shù)資料
型號： UPD77114GC-XXX-9EU
廠商： NEC Corp.
英文描述： MOS INTEGRATED CIRCUIT
中文描述： 馬鞍山集成電路
文件頁數(shù)： 30/62頁
文件大?。?/td> 352K
代理商： UPD77114GC-XXX-9EU
Data Sheet U14373EJ3V0DS
30
μ
PD77113A, 77114
9. INSTRUCTIONS
9.1 Outline of Instructions
An instruction consists of 32 bits. Almost all the instructions, except some such as branch instructions, are
executed with one system clock. The maximum instruction cycle of the
μ
PD77113A and 77114 is 13.3 ns. The
following nine types of instructions are available:
(1) Trinomial operation instructions
These instructions specify an operation by the MAC. As the operands, three general-purpose registers can be
specified.
(2) Binomial operation instructions
These instructions specify an operation by the MAC, ALU, or BSFT. As the operands, two general-purpose
registers can be specified. An immediate value can be specified for some of these instructions, instead of a
general-purpose register, for one input.
(3) Uninominal operation instructions
These instructions specify an operation by the ALU. As the operands, one general-purpose register can be
specified.
(4) Load/store instructions
These instructions transfer 16-bit values between memory and a general-purpose register. Any general-purpose
register can be specified as the transfer source or destination.
(5) Register-to-register transfer instructions
These instructions transfer data from one general-purpose register to another.
(6) Immediate value setting instructions
These instructions write an immediate value to a general-purpose register and the registers of the address
operation unit.
(7) Branch instructions
These instruction specify branching of program execution.
(8) Hardware loop instructions
These instruction specify repetitive execution of an instruction.
(9) Control instructions
These instructions are used to control the program.
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