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FR81 Family
88 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 6 INSTRUCTION OVERVIEW
6.2
TYPE-E
It has 12-bit OP Codes (OP) and register designated fields (Ri/Rs).
TYPE-E’
It is deformation of TYPE-E. It has 12-bit OP Code (OP). TYPE-E register designated field is fixed
to 0000
B.
It is applied for instructions where 16-bit instruction code such as NOP Instruction or RET
Instructions etc. is defined.
TYPE-F
It has 5-bit OP Code (OP) and 11-bit address designated filed (rel11).
TYPE-G
It has 8-bit OP code (OP) and 20bit immediate data field (i20), register designated field (Ri). It has
32-bit length and is applied only for LDI:20 Instruction.
MSB LSB
OP Ri/Rs
MSB LSB
OP 0000
MSB LSB
OP rel11
MSB LSB
(n+0) OP i20 (Upper) Ri
(n+2) i20 (Lower)