HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 518
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
Specifications of HD6417712BPV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
200MHz
Connectivity
EBI/EMI, Ethernet, FIFO, SCI, SIO
Peripherals
DMA, POR, WDT
Number Of I /o
24
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 13 Direct Memory Access Controller (DMAC)
Transfer requests from the various modules are specified by the MID and RID as shown in table
13.2.
Table 13.2 DMARS Setting
13.4
When there is a DMA transfer request, the DMAC starts the transfer according to the
predetermined channel priority order; when the transfer end conditions are satisfied, it ends the
transfer. Transfers can be requested in three modes: auto request, external request, and on-chip
peripheral module request. In the bus mode, the burst mode or the cycle steal mode can be
selected.
13.4.1
After the DMA source address registers (SAR), DMA destination address registers (DAR), DMA
transfer count registers (DMATCR), DMA channel control registers (CHCR), DMA operation
register (DMAOR), and DMA extension resource selector (DMARS) are set, the DMAC transfers
data according to the following procedure:
1. Checks to see if transfer is enabled (DE = 1, DME = 1, TE = 0, AE = 0, NMIF = 0)
2. When a transfer request comes and transfer is enabled, the DMAC transfers 1 transfer unit of
Rev. 1.00 Dec. 27, 2005 Page 474 of 932
REJ09B0269-0100
Peripheral
Module
SCIF0
SCIF1
SIOF0
SIOF1
data (depending on the TS0 and TS1 settings). For an auto request, the transfer begins
automatically when the DE bit and DME bit are set to 1. The DMATCR value will be
decremented for each transfer. The actual transfer flows vary by address mode and bus mode.
Operation
DMA Transfer Flow
Setting Value for One
Channel (MID + RID)
H'21
H'22
H'29
H'2A
H'51
H'52
H'55
H'56
MID
B'001000
B'001010
B'010100
B'010101
RID
B'01
B'10
B'01
B'10
B'01
B'10
B'01
B'10
Function
Transmit
Receive
Transmit
Receive
Transmit
Receive
Transmit
Receive
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