Functions; B.3 Functions - Renesas H8S/2319 series Hardware Manual

B.3

Functions

MRA—DTC Mode Register A
Bit :
SM1
Initial value : Undefined

Read/Write :
Source Address Mode
0
1
Rev. 5.00, 12/03, page 942 of 1088
7 6 5
SM0 DM1
Undefined Undefined
 
Destination Address Mode

0
DAR is fixed
1 0
DAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
1
DAR is decremented after a transfer
(by −1 when Sz = 0; by −2 when Sz = 1)

SAR is fixed
0
SAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
1
SAR is decremented after a transfer
(by −1 when Sz = 0; by −2 when Sz = 1)
H'F800—H'FBFF
4 3
DM0 MD1 MD0
Undefined Undefined Undefined
 
DTC Transfer Mode Select
DTC Mode
0 0 Normal mode
1 Repeat mode
1 0 Block transfer mode

1
2 1 0
DTS Sz
Undefined Undefined
  
DTC Data
Transfer Size
0 Byte-size
transfer
1
Word-size
transfer
0
Destination side is repeat
area or block area
1
Source side is repeat area
or block area
DTC