HD6413007F20 Renesas Electronics America, HD6413007F20 Datasheet - Page 248
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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Part Number
Manufacturer
Quantity
Price
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7. DMA Controller
7.4.5
In normal mode, the A and B channels are combined. One byte or word is transferred per request.
A designated number of these transfers are executed. Addresses are specified in MARA and
MARB. Table 7.9 indicates the register functions in I/O mode.
Table 7.9
Register
Legend:
MARA: Memory address register A
MARB: Memory address register B
ETCRA: Execute transfer count register A
The source and destination addresses are both 24-bit addresses. MARA specifies the source
address. MARB specifies the destination address. MARA and MARB can be independently
incremented, decremented, or held fixed as data is transferred.
The transfer count is specified as a 16-bit value in ETCRA. The ETCRA value is decremented by
1 at each transfer. When the ETCRA value reaches H'0000, the DTE bit is cleared and the transfer
ends. If the DTIE bit is set to 1, a CPU interrupt is requested at this time. The maximum transfer
count is 65,536, obtained by setting ETCRA to H'0000.
Rev.5.00 Sep. 12, 2007 Page 218 of 764
REJ09B0396-0500
23
23
Normal Mode
15
MARA
MARB
Register Functions in Normal Mode
ETCRA
0
0
0
Source address
register
Destination
address register
Transfer counter
Function
Initial Setting
Transfer source
start address
Transfer destination
start address
Number of
transfers
Operation
Incremented or
decremented once per
transfer, or held fixed
Incremented or
decremented once per
transfer, or held fixed
Decremented once per
transfer
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