Section 7 Data Transfer Controller (DTC)
Rev.2.00 Jun. 28, 2007 Page 220 of 666
REJ09B0311-0200
7.2.1
DTC Mode Register A (MRA)
MRA selects DTC operating mode. MRA cannot be accessed directly by the CPU.
Bit
Bit Name
Initial Value
R/W
7
MD1
Undefined
6
MD0
Undefined
5
Sz1
Undefined
4
Sz0
Undefined
3
SM1
Undefined
2
SM0
Undefined
1
Undefined
0
Undefined
Bit Bit
Name
Initial
Value R/W
Description
7
6
MD1
MD0
Undefined
Undefined
DTC Mode 1 and 0
Specify DTC transfer mode.
00: Normal mode
01: Repeat mode
10: Block transfer mode
11: Setting prohibited
5
4
Sz1
Sz0
Undefined
Undefined
DTC Data Transfer Size 1 and 0
Specify the size of data to be transferred.
00: Byte-size transfer
01: Word-size transfer
10: Longword-size transfer
11: Setting prohibited
3
2
SM1
SM0
Undefined
Undefined
Source Address Mode 1 and 0
Specify an SAR operation after a data transfer.
0x: SAR is fixed
(SAR writeback is skipped)
10: SAR is incremented after a transfer
(by 1 when Sz1 and Sz0 = B'00; by 2 when Sz1 and
Sz0 = B'01; by 4 when Sz1 and Sz0 = B'10)
11: SAR is decremented after a transfer
(by 1 when Sz1 and Sz0 = B'00; by 2 when Sz1 and
Sz0 = B'01; by 4 when Sz1 and Sz0 = B'10)
1, 0
Undefined
Reserved
The write value should always be 0.
[Legend]
X: Don't
care
Содержание H8SX/1650
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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...
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