HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 177
![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
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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: 177 of 843
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In order to output a transfer request from an on-chip peripheral module, set the relevant interrupt
enable bit for each module, and output an interrupt signal.
When an on-chip peripheral module’s interrupt request signal is used as a DMA transfer request
signal, interrupts for the CPU are not generated.
When a DMA transfer is conducted corresponding with one of the transfer request signals in table
9.4, it is automatically discontinued. In cycle steal mode this occurs in the first transfer, and in
burst mode with the last transfer.
9.3.3
When the DMAC receives simultaneous transfer requests on two or more channels, it selects a
channel according to a predetermined priority order, either in a fixed mode or in round robin
mode. These modes are selected by priority bits PR1 and PR0 in the DMA operation register
(DMAOR).
Fixed Mode: In these modes, the priority levels among the channels remain fixed.
The following priority orders are available for fixed mode:
These are selected by settings of the PR1 and PR0 bits of the DMA operation register (DMAOR).
Round Robin Mode: In round robin mode, each time the transfer of one transfer unit (byte, word
or long word) ends on a given channel, that channel receives the lowest priority level (figure 9.3).
The priority level in round robin mode immediately after a reset is CH0
CH0
CH0
CH2
Channel Priority
CH1
CH2
CH0
CH2
CH3
CH1
CH3
CH1
CH3
Section 9 Direct Memory Access Controller (DMAC)
Rev. 5.00 Jan 06, 2006 page 155 of 818
CH1
REJ09B0273-0500
CH2
CH3.
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