HD6413007F20 Renesas Electronics America, HD6413007F20 Datasheet - Page 244
HD6413007F20
Manufacturer Part Number
HD6413007F20
Description
IC H8 MCU ROMLESS 5V 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.D13007F20V.pdf
(798 pages)
Specifications of HD6413007F20
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
35
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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7. DMA Controller
7.4.4
Repeat mode is useful for cyclically transferring a bit pattern from a table to the programmable
timing pattern controller (TPC) in synchronization, for example, with 16-bit timer compare match.
Repeat mode can be selected for each channel independently.
One byte or word is transferred per request in repeat mode, as in I/O mode. A designated number
of these transfers are executed. One address is specified in the memory address register (MAR),
the other in the I/O address register (IOAR). At the end of the designated number of transfers,
MAR and ETCRH are restored to their original values and operation continues. The direction of
transfer is determined automatically from the activation source. The transfer is from the address
specified in IOAR to the address specified in MAR if activated by an SCI channel 0 receive-data-
full interrupt or an A/D converter conversion end interrupt, and from the address specified in
MAR to the address specified in IOAR otherwise.
Table 7.8 indicates the register functions in repeat mode.
Rev.5.00 Sep. 12, 2007 Page 214 of 764
REJ09B0396-0500
destination addresses
Set transfer count
Idle mode setup
Set source and
Repeat Mode
Read DTCR
Set DTCR
Idle mode
Figure 7.5 Idle Mode Setup Procedure (Example)
1
2
3
4
1.
2.
3.
4.
Set the source and destination addresses
in MAR and IOAR. The transfer direction is deter-
mined automatically from the activation source.
Set the transfer count in ETCR.
Read DTCR while the DTE bit is cleared to 0.
Set the DTCR bits as follows.
•
•
•
•
Select the DMAC activation source with bits
DTS2 to DTS0.
Set the DTIE and RPE bits to 1 to select idle mode.
Select byte size or word size with the DTSZ bit.
Set the DTE bit to 1 to enable the transfer.
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