HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 252
HD64F3048BF25
Manufacturer Part Number
HD64F3048BF25
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3048BF25V.pdf
(903 pages)
Specifications of HD64F3048BF25
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F3048BF25
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Part Number:
HD64F3048BF25V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Section 8 DMA Controller
For the detailed settings see section 8.2.4, Data Transfer Control Registers (DTCR).
Figure 8.3 shows a sample setup procedure for I/O mode.
8.4.3
Idle mode can be selected independently for each channel.
One byte or word is transferred at each transfer request in idle 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). 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, and from the
address specified in MAR to the address specified in IOAR otherwise.
Table 8.7 indicates the register functions in idle mode.
Rev. 3.00 Sep 27, 2006 page 224 of 872
REJ09B0325-0300
destination addresses
Set transfer count
Idle Mode
I/O mode setup
Set source and
Read DTCR
Set DTCR
I/O mode
Figure 8.3 I/O 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
determined 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 or clear the DTIE bit to enable or disable
the CPU interrupt at the end of the transfer.
Clear the RPE bit to 0 to select I/O mode.
Select MAR increment or decrement with the
DTID bit.
Select byte size or word size with the DTSZ bit.
Set the DTE bit to 1 to enable the transfer.
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