HD6432621 Hitachi, HD6432621 Datasheet - Page 631
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 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 5
ADST
0
1
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 4
SCAN
0
1
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 AN15 to be used instead of AN0 to AN7.
Bit 3
CH3
0
1
Description
Description
Single mode
Scan mode
Description
AN8 to AN11 are group 0 analog input pins, AN12 to AN15 are group 1 analog input
pins
AN0 to AN3 are group 0 analog input pins, AN4 to AN7 are group 1 analog input pins
A/D conversion stopped
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.
(Initial value)
(Initial value)
(Initial value)
587
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