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HD6432633 Datasheet, PDF (125/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units) | |||
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Type
Arithmetic
operations
Instruction
MULXU
MULXS
DIVXU
DIVXS
CMP
NEG
EXTU
EXTS
TAS*2
MAC
Size*1
B/W
B/W
B/W
B/W
B/W/L
B/W/L
W/L
W/L
B
â
Function
Rd à Rs â Rd
Performs unsigned multiplication on data in two general
registers: either 8 bits à 8 bits â 16 bits or 16 bits Ã
16 bits â 32 bits.
Rd à Rs â Rd
Performs signed multiplication on data in two general
registers: either 8 bits à 8 bits â 16 bits or 16 bits Ã
16 bits â 32 bits.
Rd ÷ Rs â Rd
Performs unsigned division on data in two general
registers: either 16 bits ÷ 8 bits â 8-bit quotient and 8-bit
remainder or 32 bits ÷ 16 bits â 16-bit quotient and 16-
bit remainder.
Rd ÷ Rs â Rd
Performs signed division on data in two general
registers: either 16 bits ÷ 8 bits â 8-bit quotient and 8-bit
remainder or 32 bits ÷ 16 bits â 16-bit quotient and 16-
bit remainder.
Rd â Rs, Rd â #IMM
Compares data in a general register with data in another
general register or with immediate data, and sets CCR
bits according to the result.
0 â Rd â Rd
Takes the two's complement (arithmetic complement) of
data in a general register.
Rd (zero extension) â Rd
Extends the lower 8 bits of a 16-bit register to word size,
or the lower 16 bits of a 32-bit register to longword size,
by padding with zeros on the left.
Rd (sign extension) â Rd
Extends the lower 8 bits of a 16-bit register to word size,
or the lower 16 bits of a 32-bit register to longword size,
by extending the sign bit.
@ERd â 0, 1 â (<bit 7> of @Erd)
Tests memory contents, and sets the most significant bit
(bit 7) to 1.
(EAs) Ã (EAd) + MAC â MAC
Performs signed multiplication on memory contents and
adds the result to the multiply-accumulate register. The
following operations can be performed:
16 bits à 16 bits + 32 bits â 32 bits, saturating
16 bits à 16 bits + 42 bits â 42 bits, non-saturating
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