GMS30C2216 데이터 시트보기 (PDF) - Hynix Semiconductor

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GMS30C2216

16/32 BIT RISC/DSP

Hynix Semiconductor 

Overview

0-3

Registers:

• 32 global and 64 local registers of 32 bits each

• 16 global and up to 16 local registers are addressable directly

Flags:

• Zero(Z), negative(N), carry(C) and overflow(V) flag

• Interrupt-mode, interrupt-lock, trace-mode, trace-pending, supervisor state, cache-mode

and high global flag

Register Data Types:

• Unsigned integer, signed integer, signed short, signed complex short, 16-bit fixed-point,

bitstring, IEEE-754 floating-point, each either 32 or 64 bits

External Memory:

• Address space of 4Gbytes, divided into five areas

• Separate I/O address space

• Load/Store architecture

• Pipelined memory and I/O accesses

• High-order data located and addressed at lower address (big endian)

• Instructions and double-word data may cross DRAM page boundaries

On-chip Memory:

• 8Kbytes internal (on-chip) memory

Memory Data Types:

• Unsigned and signed byte (8 bit)

• Unsigned and signed halfword (16 bit), located on halfword boundary

• Undedicated word (32 bit), located on word boundary

• Undedicated double-word (64 bit), located on word boundary

Runtime Stack:

• Runtime stack is divided into memory part and register part

• Register part is implemented by the 64 local registers holding the most recent stack

frame(s)

• Current stack frame (maximum 16 registers) is always kept in register part of the stack

• Data transfer between memory and register part of the stack is automatic

• Upper stack bound is guarded

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