UPD16705N-XXX データシートの表示（PDF） - NEC => Renesas Technology
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UPD16705N-XXX Datasheet PDF : 12 Pages
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µPD16705
4. RELATIONS OF ENABLE INPUT AND OUTPUT TERMINAL
Switching is possible for 263/256 with µPD16705 by the MODE pin. And, the output terminal that can be controlled
by the enable signal changes as follows along with this function.
263-output TCP
263-output mode
256-output mode
(MODE = H)
(MODE = L)
O1 (OE1)
O1 (OE1)
O2 (OE2)
O2 (OE2)
O3 (OE3)
O3 (OE3)
O4 (OE1)
O4 (OE1)
O5 (OE2)
O5 (OE2)
O6 (OE3)
O6 (OE3)
↓
↓
O127 (OE1)
O127 (OE1)
O128 (OE2)
O128 (OE2)
O129 (OE3)
VX = VEE
O130 (OE1)
VX = VEE
O131 (OE2)
VX = VEE
O132 (OE3)
VX = VEE
O133 (OE1)
VX = VEE
O134 (OE2)
VX = VEE
O135 (OE3)
VX = VEE
O136 (OE1)
O136 (OE3)
O137 (OE2)
O137 (OE1)
↓
↓
O259 (OE1)
O259 (OE3)
O260 (OE2)
O260 (OE1)
O261 (OE3)
O261 (OE2)
O262 (OE1)
O262 (OE3)
O263 (OE2)
O263 (OE1)
Remark VX is power-supply voltage of output pin O1 to O263.
256-output TCP
263-output mode
256-output mode
(MODE = H)
(MODE = L)
O1 (OE1)
O1 (OE1)
O2 (OE2)
O2 (OE2)
O3 (OE3)
O3 (OE3)
O4 (OE1)
O4 (OE1)
O5 (OE2)
O5 (OE2)
O6 (OE3)
O6 (OE3)
↓
↓
O127 (OE1)
O127 (OE1)
O128 (OE2)
O128 (OE2)
O136 (OE1)
O137 (OE2)
↓
O259 (OE1)
O260 (OE2)
O261 (OE3)
O262 (OE1)
O263 (OE2)
O136 (OE3)
O137 (OE1)
↓
O259 (OE3)
O260 (OE1)
O261 (OE2)
O262 (OE3)
O263 (OE1)
Data Sheet S15818EJ1V0DS
5
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