HD6473032F16 Datasheet, PDF (557/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Section 15 A/D Converter
Bit 6—A/D Interrupt Enable (ADIE): Enables or disables the interrupt (ADI) requested at the
end of A/D conversion.
Bit 6: ADIE
0
1
Description
A/D end interrupt request (ADI) is disabled
A/D end interrupt request (ADI) is enabled
(Initial value)
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
0
1
Description
A/D conversion is stopped
(Initial value)
Single mode: A/D conversion starts; ADST is automatically cleared to 0 when
conversion ends.
Scan mode: A/D conversion starts and continues, cycling among the selected
channels, until ADST is cleared to 0 by software, by a reset, or by a transition
to standby mode.
Bit 4—Scan Mode (SCAN): Selects single mode or scan mode. For further information on
operation in these modes, see section 15.4, Operation. Clear the ADST bit to 0 before switching
the conversion mode.
Bit 4: SCAN
0
1
Description
Single mode
Scan mode
(Initial value)
Bit 3—Clock Select (CKS): Selects the A/D conversion time. Clear the ADST bit to 0 before
switching the conversion time.
Bit 3: CKS
0
1
Description
Conversion time = 266 states (maximum)
Conversion time = 134 states (maximum)
(Initial value)
Rev. 3.00 Mar 21, 2006 page 527 of 814
REJ09B0302-0300