Hitachi H8S/2199 Hardware Manual page 530

Bit 5    A/D Interrupt Enable (ADIE): Selects enable or disable of interrupt (ADI) generation
upon A/D conversion end.
Bit 5
ADIE Description
0 Interrupt (ADI) upon A/D conversion end is disabled
1 Interrupt (ADI) upon A/D conversion end is enabled
Bit 4    Software A/D Start Flag (SST): Indicates or controls the start and end of software-
triggered A/D conversion. This bit remains 1 during software-triggered A/D conversion.
When 0 is written in this bit, software-triggered A/D conversion operation can forcibly be aborted.
Bit 4
SST Description
0 Read: Indicates that software-triggered A/D conversion has ended or been stopped
Write: Software-triggered A/D conversion is aborted
1 Read: Indicates that software-triggered A/D conversion is in progress
Write: Starts software-triggered A/D conversion
Bit 3    Hardware A/D Status Flag (HST): Indicates the status of hardware- or external-triggered
A/D conversion. When 0 is written in this bit, A/D conversion is aborted regardless of whether it
was hardware-triggered or external-triggered.
Bit 5
HST Description
0 Read: Hardware- or external-triggered A/D conversion is not in progress
Write: Hardware- or external-triggered A/D conversion is aborted
1 Hardware- or external-triggered A/D conversion is in progress
Rev. 1.0, 02/00, page 522 of 1141
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