HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 467
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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9.5.4
Setting the CHNE bit to 1 enables a number of data transfers to be performed consecutively in
response to a single transfer request. SAR, DAR, CRA, CRB, MRA, and MRB, which define data
transfers, can be set independently.
Figure 9.8 shows the operation of chain transfer. When activated, the DTC reads the register
information start address stored at the vector address, and then reads the first register information
at that start address. The CHNE bit in MRB is checked after the end of data transfer, if the value is
1, the next register information, which is located consecutively, is read and transfer is performed.
This operation is repeated until the end of data transfer of register information with CHNE = 0. It
is also possible, by setting both the CHNE bit and CHNS bit to 1, to specify execution of chain
transfer only when the transfer counter value is 0.
In the case of transfer with CHNE set to 1, an interrupt request to the CPU is not generated at the
end of the specified number of transfers or by setting of the DISEL bit to 1, and the interrupt
source flag for the activation source is not affected.
SAR
or
DAR
Chain Transfer
Figure 9.7 Memory Mapping in Block Transfer Mode
Nth block
First block
Transfer
Section 9 Data Transfer Controller (DTC)
Rev. 3.00 Mar 17, 2006 page 415 of 926
Block area
REJ09B0283-0300
DAR
or
SAR
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