HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 761

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

DTCR0B—Data Transfer Control Register 0B
•
Data transfer enable
Bit
Initial value
Read/Write
0 Data transfer is disabled
1 Data transfer is enabled
Short address mode
Data transfer size
0 Byte-size transfer
1 Word-size transfer
Data transfer increment/decrement
0 Incremented:
1 Decremented:
Repeat enable
RPE
Data transfer interrupt enable
0
1
0 Interrupt requested by DTE bit is disabled
1 Interrupt requested by DTE bit is enabled
Data transfer select
DTS2
Bit 2
An interrupt request is issued to the CPU when the DTE bit = 0
DTIE
0
1
DTE
R/W
0
1
0
1
7
0
DTS1
Bit 1
Description
I/O mode
Repeat mode
Idle mode
0
1
0
1
If DTSZ = 0, MAR is incremented by 1 after each transfer
If DTSZ = 1, MAR is incremented by 2 after each transfer
If DTSZ = 0, MAR is decremented by 1 after each transfer
If DTSZ = 1, MAR is decremented by 2 after each transfer
DTSZ
R/W
DTS0
Bit 0
6
0
0
1
0
1
0
1
0
1
Data Transfer Activation Source
Compare match/input capture A interrupt from ITU channel 0
Compare match/input capture A interrupt from ITU channel 1
Compare match/input capture A interrupt from ITU channel 2
Compare match/input capture A interrupt from ITU channel 3
SCI0 transmit-data-empty interrupt
SCI0 receive-data-full interrupt
Falling edge of
Low level of
DTID
R/W
5
0
754
RPE
R/W
DREQ
4
0
DREQ
input
DTIE
R/W
input
3
0
H'2F
DTS2
R/W
2
0
DTS1
R/W
1
0
DTS0
R/W
DMAC0
0
0