HD64F3437TF16 Datasheet, PDF (372/752 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.

Upper-byte read
CPU
(H'AA)
Bus interface
Module data bus
TEMP
(H'40)
Lower-byte read
ADDRnH
(H'AA)
CPU
(H'40)
Bus interface
ADDRnL
(H'40)
(n = A to D)
Module data bus
TEMP
(H'40)
ADDRnH
(H'AA)
ADDRnL
(H'40)
(n = A to D)
Figure 15.2 A/D Data Register Access Operation (Reading H'AA40)
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