h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 631
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
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Bit 5—A/D Start (ADST): Selects starting or stopping on A/D conversion. Holds a value of 1
during A/D conversion.
The ADST bit can be set to 1 by software, a timer conversion start trigger, or the A/D external
trigger input pin (ADTRG).
Bit 4—Scan Mode (SCAN): Selects single mode or scan mode as the A/D conversion operating
mode. See section 16.4, Operation, for single mode and scan mode operation. Only set the SCAN
bit while conversion is stopped (ADST = 0).
Bit 3—Channel Select 3 (CH3): Switches the analog input pins assigned to group 0 or group 1.
Setting CH3 to 1 enables AN8 to AN11 to be used instead of AN0 to AN7.
Bit 5
ADST
0
1
Bit 4
SCAN
0
1
Bit 3
CH3
0
1
Description
A/D conversion stopped
•
•
Description
Single mode
Scan mode
Description
AN8 to AN11 are group 0 analog input pins
AN0 to AN3 are group 0 analog input pins, AN4 to AN7 are group 1 analog input pins
Single mode: A/D conversion is started. Cleared to 0 automatically when
Scan mode: A/D conversion is started. Conversion continues sequentially on the
conversion on the specified channel ends
selected channels until ADST is cleared to 0 by software, a reset, or
a transition to standby mode or module stop mode.
Rev. 5.00 Sep 22, 2005 page 605 of 1136
Section 16 A/D Converter
REJ09B0257-0500
(Initial value)
(Initial value)
(Initial value)
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