3069RF-ZTAT Datasheet, PDF (882/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

DTCR0A—Data Transfer Control Register 0A
• Short address mode
Bit
7
DTE
6
DTSZ
5
DTID
4
RPE
3
DTIE
Initial value
0
0
0
0
0
Read/Write R/W
R/W
R/W
R/W
R/W
H'FFF27
2
DTS2
0
R/W
1
DTS1
0
R/W
0
DTS0
0
R/W
DMAC0
Data transfer select
Bit 2 Bit 1 Bit 0
DTS2 DTS1 DTS0
Data Transfer Activation Source
0
0
Compare match/input capture A
interrupt from 16-bit timer channel 0
1
Compare match/input capture A
interrupt from 16-bit timer channel 1
0
0 ^{Compare match/input capture A}
1
interrupt from 16-bit timer channel 2
1 A/D converter conversion end interrupt
0
0 SCI0 transmit-data-empty interrupt
1 SCI0 receive-data-full interrupt
1
0 Transfer in full address mode
1
1 Transfer in full address mode
Data transfer interrupt enable
Interrupt requested by
0 _{DTE bit is disabled}
Interrupt requested by
1 _{DTE bit is enabled}
Repeat enable
RPE DTIE
Description
0
0
I/O mode
1
0 Repeat mode
1
1 Idle mode
Data transfer increment/decrement
Incremented: If DTSZ = 0, MAR is incremented by 1 after each transfer
0
If DTSZ = 1, MAR is incremented by 2 after each transfer
Decremented: If DTSZ = 0, MAR is decremented by 1 after each transfer
1
If DTSZ = 1, MAR is decremented by 2 after each transfer
Data transfer size
0 Byte-size transfer
1 Word-size transfer
Data transfer enable
0 Data transfer is disabled
1 Data transfer is enabled
Rev. 5.0, 09/04, page 860 of 978