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GMS30004 Datasheet, PDF (31/158 Pages) Hynix Semiconductor – 4-BIT SINGLE CHIP MICROCOMPUTERS | |||
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Chapter 3. Instruction
*2 Operation is settled by a value of Y-register.
Value of X-reg Value of Y-reg
Operation
0 or 1
0~7
SO : D(Y) Ã 1, RO : D(Y) Ã 0
0 or 1
0 or 1
0 or 1
8
9
A~D
REMOUT port repeats ÃHÃ and ÃLÃ in pulse
frequency. (when PMR = 5, it is fixed at ÃHÃ)
SO : REMOUT (PMR) Ã 1
RO : REMOUT (PMR) Ã 0
SO : D0 ~ D9 Ã 1 (High-Z)
R0 : D0 ~ D9 Ã 0
SO : R(Y-Ah) Ã 1, RO : R(Y-Ah) Ã 0
0 or 1
E
SO : R0 ~ R3 Ã 1, RO : R0~R3 Ã 0
0 or 1
2 or 3
F
SO : D0 ~ D9 Ã 1 (High-Z) R0~R3 Ã 1
R0 : D0 ~ D9 Ã 0
R0~R3 Ã 0
0
SO : D(8) Ã 1, RO : D(8) Ã 0
2 or 3
1
SO : D(9) Ã 1, RO : D(9) Ã 0
3- 4
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