HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 391
HD64F2676VFC33
Manufacturer Part Number
HD64F2676VFC33
Description
IC H8S MCU FLASH 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2676VFC33
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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8.3.2
EDDAR is a 32-bit readable/writable register that specifies the transfer destination address. An
address update function is provided that updates the register contents to the next transfer
destination address each time transfer processing is performed. In single address mode, the
EDDAR value is ignored when a device with DACK is specified as the transfer destination. The
upper 8 bits of EDDAR are reserved; they are always read as 0 and cannot be modified.
EDDAR can be read at all times by the CPU. When reading EDDAR for a channel on which
EXDMA transfer processing is in progress, a longword-size read must be executed. Do not write
to EDDAR for a channel on which EXDMA transfer is in progress. The initial values of EDDAR
are undefined.
8.3.3
EDTCR specifies the number of transfers. The function differs according to the transfer mode. Do
not write to EDTCR for a channel on which EXDMA transfer is in progress.
Normal Transfer Mode:
Bit
31
to
24
23
to
0
Bit Name
—
EXDMA Destination Address Register (EDDAR)
EXDMA Transfer Count Register (EDTCR)
Initial Value
All 0
All 0
R/W
—
R/W
Description
Reserved
These bits are always read as 0 and cannot be
modified.
24-Bit Transfer Counter
These bits specify the number of transfers.
Setting H'000001 specifies one transfer. Setting
H'000000 means no specification for the
number of transfers, and the transfer counter
function is halted. In this case, there is no
transfer end interrupt by the transfer counter.
Setting H'FFFFFF specifies the maximum
number of transfers, that is 16,777,215. During
EXDMA transfer, this counter shows the
remaining number of transfers. This counter
can be read at all times. When reading EDTCR
for a channel on which EXDMA transfer
processing is in progress, a longword-size read
must be executed.
Rev. 3.00 Mar 17, 2006 page 339 of 926
Section 8 EXDMA Controller
REJ09B0283-0300
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