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Section 14
A/D Converter
Rev.2.00 Jun. 28, 2007 Page 531 of 666
REJ09B0311-0200
14.3.3
A/D Control Register (ADCR)
ADCR enables A/D conversion to be started by an external trigger input.
7
TRGS1
0
R/W
6
TRGS0
0
R/W
5
SCANE
0
R/W
4
SCANS
0
R/W
3
CKS1
0
R/W
2
CKS0
0
R/W
1
0
R
0
0
R
Bit
Bit Name
Initial Value
R/W
Bit Bit
Name
Initial
Value R/W Description
7
6
TRGS1
TRGS0
0
0
R/W
R/W
Timer Trigger Select 1 and 0
These bits select enabling or disabling of the start of A/D
conversion by a trigger signal.
00: A/D conversion start by external trigger is disabled
01: A/D conversion start by external trigger from TPU is
enabled
10: A/D conversion start by external trigger from TMR is
enabled
11: A/D conversion start by the
ADTRG0
pin is enabled
*
5
4
SCANE
SCANS
0
0
R/W
R/W
Scan Mode
These bits select the A/D conversion operating mode.
0X: Single mode
10: Scan mode. A/D conversion is performed
continuously for channels 1 to 4.
11: Scan mode. A/D conversion is performed
continuously for channels 1 to 8.
3
2
CKS1
CKS0
0
0
R/W
R/W
Clock Select 1 and 0
These bits set the A/D conversion time. Set bits CKS1
and CKS0 only while A/D conversion is stopped (ADST =
0).
00: A/D conversion time = 530 states (max)
01: A/D conversion time = 266 states (max)
10: A/D conversion time = 134 states (max)
11: A/D conversion time = 68 states (max)
Содержание H8SX/1650
Страница 2: ...Rev 2 00 Jun 28 2007 Page ii of xxii...
Страница 106: ...Section 4 Exception Handling Rev 2 00 Jun 28 2007 Page 84 of 666 REJ09B0311 0200...
Страница 142: ...Section 5 Interrupt Controller Rev 2 00 Jun 28 2007 Page 120 of 666 REJ09B0311 0200...
Страница 326: ...Section 8 I O Ports Rev 2 00 Jun 28 2007 Page 304 of 666 REJ09B0311 0200...
Страница 470: ...Section 12 Watchdog Timer WDT Rev 2 00 Jun 28 2007 Page 448 of 666 REJ09B0311 0200...
Страница 546: ...Section 13 Serial Communication Interface SCI Rev 2 00 Jun 28 2007 Page 524 of 666 REJ09B0311 0200...
Страница 566: ...Section 14 A D Converter Rev 2 00 Jun 28 2007 Page 544 of 666 REJ09B0311 0200...
Страница 574: ...Section 16 RAM Rev 2 00 Jun 28 2007 Page 552 of 666 REJ09B0311 0200...
Страница 584: ...Section 17 Clock Pulse Generator Rev 2 00 Jun 28 2007 Page 562 of 666 REJ09B0311 0200...
Страница 638: ...Section 19 List of Registers Rev 2 00 Jun 28 2007 Page 616 of 666 REJ09B0311 0200...
Страница 668: ...Section 20 Electrical Characteristics Rev 2 00 Jun 28 2007 Page 646 of 666 REJ09B0311 0200...
Страница 676: ...Appendix Rev 2 00 Jun 28 2007 Page 654 of 666 REJ09B0311 0200...
Страница 688: ...Rev 2 00 Jun 28 2007 Page 666 of 666 REJ09B0311 0200...
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Страница 692: ...H8SX 1650 Group Hardware Manual...