UPD784915B Datasheet, PDF (46/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
(6) Reference amplifier
The reference amplifier generates a reference voltage (VREF) to be supplied to the internal amplifiers and
comparators of the µPD784916B.
Figure 3-24. Block Diagram of Reference Amplifier
AVDD1
VREFC
-
+
ENCAP (AMPC.3)
VREF (CFG amplifier)
-
AVSS1
+
-
+
-
+
VREF (CFG amplifier)
ENCTL (AMPC.1)
VREF (CTL amplifier)
ENDRUM (AMPC.2)
ENREEL (AMPC.6)
ENCSYN (AMPC.5)
VREF DFG amplifier, DPG comparator,
reel FG comparator, and CSYNC
comparator)
Remark Multiple reference amplifiers are provided to assure the accuracy of the amplifiers and comparators.
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