4. MODE DESCRIPTION
(1) DC/DC converter control
DCON
H DC/DC converter ON
L
DC/DC converter OFF
(2) Regulator control
RGONP
H Regulator ON
L
Regulator OFF (VT, VS = High impedance)
(3) VT regulating resistor
EXRVT
H External resistor
L
Internal resistor
(4) VS regulating resistor
EXRVS
H External resistor
L
Internal resistor
(5) VDD2 booster selection
VCD2
H x3 booster
L
x2 booster
(6) VT, VS regulator selection
VT
RSEL
H 15.0 V
L
12.5 V
VS
5.0 V
4.0 V
(7) Regulator reference voltage input selection
VREFSEL
H
VREF : External reference voltage input
L
VREF : Internal reference voltage output
µPD161660
Data Sheet S14799E1V0DS
7