HD64F3437TF16 Datasheet, PDF (365/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

15.1.2 Block Diagram
Figure 15.1 shows a block diagram of the A/D converter.
Module data bus
Internal
data bus
AV_CC
AV_ref
AV_SS
10-bit D/A
AN ₀
+
AN ₁
–
AN ₂
AN ₃
Analog
multi-
Comparator
AN ₄
plexer _Sample-and-
AN ₅
hold circuit
AN ₆
AN ₇
Control circuit
ADTRG
Legend:
ADCR: A/D control register
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
Figure 15.1 A/D Converter Block Diagram
336
ø_P/8
ø_P/16
ADI
interrupt
signal