HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 810
![MPU 1.5/3.3V 0K PB-FREE 256-BGA](/photos/28/61/286175/256-lfbga_sml.jpg)
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 19 Ethernet Controller Direct Memory Access Controller (E-DMAC)
(b) Receive Descriptor 1 (RD1)
In RD1, the user specifies the data length of a receive buffer usable by the corresponding
descriptor. After reception of a frame, RD1 indicates the length of a frame received by the
E-DMAC.
The user should set RD1 before the start of a read by the E-DMAC.
(c)
RD2 indicates the start address of the corresponding 32-bit width receive buffer. Set the start
address of a receive buffer on a longword boundary. When an SDRAM is connected, set the start
address of a receive buffer on a 16-byte boundary.
The user should set RD2 before the start of a read by the E-DMAC.
Rev. 1.00 Dec. 27, 2005 Page 766 of 932
REJ09B0269-0100
Bit
31 to 16
15 to 0
Receive Descriptor 2 (RD2)
Bit Name
RBL
RDL
Initial
Value
All 0
All 0
R/W
R/W
R
Description
Receive Buffer Data Length (in bytes, to be specified
on 16-byte boundary)
Set the length of data that can be received by the
corresponding receive buffer in bytes.
Set a receive buffer length on a 16-byte boundary
(with bits 19 to 16 cleared to 0).
In single-frame/single-buffer (descriptor) operation,
the maximum receive frame length excluding CRC
data is 1514 bytes. When specifying a receive buffer
length, set 1520 bytes (H'05F0), which is determined
considering the maximum receive frame length and a
16-byte boundary.
Receive Data Length
Indicate the data length of a receive frame stored in
the receive buffer.
Receive data transferred to the receive buffer does
not include CRC data (4 bytes) placed at the end of a
frame. As a receive frame length, the number of bytes
(valid data bytes) not including CRC data are
reported.
In single-frame/multi-buffer (descriptor) operation,
only the receive data length of the last descriptor is
valid. The receive data length of an intermediate
descriptor has no meaning.
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