D12320VF25IV Datasheet, PDF (1149/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
ETCR1A—Transfer Count Register 1A
(Not supported in H8S/2321)
H'FEF6
DMAC
Bit
: _{15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0}
ETCR1A :
Initial value : _{* * * * * * * * * * * * * * * *}
Read/Write : _{R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W}
Sequential mode
Idle mode
Normal mode
Transfer counter
Repeat mode
Block transfer mode
Transfer number storage register
Block size storage register
MAR1BH—Memory Address Register 1BH
(Not supported in H8S/2321)
MAR1BL—Memory Address Register 1BL
(Not supported in H8S/2321)
H'FEF8
H'FEFA
Transfer counter
Block size counter
* : Undefined
DMAC
DMAC
Bit
: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MAR1BH : _— — — — — — — —
Initial value : ₀ 0 0 0 0 0 0 0 * * * * * * * *
Read/Write : _— — — — — — — — R/W R/W R/W R/W R/W R/W R/W R/W
Bit
: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
MAR1BL :
Initial value : * * * * * * * * * * * * * * * *
Read/Write : R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
* : Undefined
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Specifies transfer destination address
Rev.6.00 Sep. 27, 2007 Page 1117 of 1268
REJ09B0220-0600