r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 366
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r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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Section 7 DMA Controller (DMAC)
MAR, IOAR, and ETCR can always be written to regardless of the DMAWER settings. When
modifying these registers, the channel to be modified should be halted.
7.3.7
DMATCR controls enabling or disabling of output from the DMAC transfer end pin. A port can
be set for output automatically, and a transfer end signal output, by setting the appropriate bit. The
TEND pin is available only for channel B in short address mode. Except for the block transfer
mode, a transfer end signal asserts in the transfer cycle in which the transfer counter contents
reaches 0 regardless of the activation source. In the block transfer mode, a transfer end signal
asserts in the transfer cycle in which the block counter contents reaches 0.
Rev. 1.00 Sep. 19, 2008 Page 336 of 1342
REJ09B0467-0100
Bit
7, 6
5
4
3 to 0
Bit Name
TEE1
TEE0
DMA Terminal Control Register (DMATCR)
Initial Value
All 0
0
0
All 0
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0 and cannot be
modified.
Transfer End Enable 1
Enables or disables transfer end pin 1 (TEND1)
output.
0: TEND1 pin output disabled
1: TEND1 pin output enabled
Transfer End Enable 0
Enables or disables transfer end pin 0 (TEND0)
output.
0: TEND0 pin output disabled
1: TEND0 pin output enabled
Reserved
These bits are always read as 0 and cannot be
modified.
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