Hitachi H8/3022 Hardware Manual page 424

Bit 7—A/D End Flag (ADF): Indicates the end of A/D conversion.
Bit 7
ADF Description
0 [Clearing condition]
Cleared by reading ADF while ADF = 1, then writing 0 in ADF
1 [Setting conditions]
Single mode: A/D conversion ends
Scan mode: A/D conversion ends in all selected channels
Bit 6—A/D Interrupt Enable (ADIE): Enables or disables the interrupt (ADI) requested at the
end of A/D conversion.
Bit 6
ADIE Description
0 A/D end interrupt request (ADI) is disabled
1 A/D end interrupt request (ADI) is enabled
Bit 5—A/D Start (ADST): Starts or stops A/D conversion. The ADST bit remains set to 1 during
A/D conversion. It can also be set to 1 by external trigger input at the ADTRG pin.
Bit 5
ADST Description
0 A/D conversion is stopped
1 Single mode: A/D conversion starts; ADST is automatically cleared to 0 when conversion
Scan mode: A/D conversion starts and continues, cycling among the selected channels,
ends.
until ADST is cleared to 0 by software, by a reset, or by a transition to
standby mode.
(Initial value)
(Initial value)
(Initial value)
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