HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 185
![MCU 5V 256K J-TEMP PB-FREE QFP-1](/photos/28/62/286212/168-bqfp_sml.jpg)
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 185 of 843
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Section 9 Direct Memory Access Controller (DMAC)
Indirect Address Transfer Mode: In this mode the memory address storing the data you actually
want to transfer is specified in DMAC internal transfer source address register (SAR3). Therefore,
in indirect address transfer mode, the DMAC internal transfer source address register value is read
first. This value is stored once in the DMAC. Next, the read value is output as the address, and the
value stored at that address is again stored in the DMAC. Finally, the subsequent read value is
written to the address specified by the transfer destination address register, ending one cycle of
DMAC transfer.
In indirect address mode (figure 9.9), transfer destination, transfer source, and indirect address
storage destination are all 16-bit external memory locations, and transfer in this example is
conducted in 16-bit or 8-bit units. Timing for this transfer example is shown in figure 9.10.
In indirect address mode, one NOP cycle (figure 9.10) is required until the data read as the indirect
address is output to the address bus. When transfer data is 32-bit, the third and fourth bus cycles
each need to be doubled, giving a required total of six bus cycles and one NOP cycle for the whole
operation.
Rev. 5.00 Jan 06, 2006 page 163 of 818
REJ09B0273-0500
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