HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 508
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 13 Direct Memory Access Controller (DMAC)
13.3.3
DMATCR is a 32-bit readable/writable registers that specifies the DMA transfer count. The
number of transfers is 1 when the setting is H'00000001, 16,777,215 when H'00FFFFFF is set, and
16,777,216 (the maximum) when H'00000000 is set. During a DMA transfer, DMATCR indicates
the remaining transfer count.
The upper eight bits of DMATCR will return 0 if read, and should only be written with 0.
To transfer data in 16 bytes, one 16-byte transfer (128 bits) counts one.
DMATCR is undefined at reset and retains the current value in standby or module standby mode.
13.3.4
CHCR is a 32-bit readable/writable register that controls the DMA transfer mode.
CHCR is initialized to H'00000000 at reset and retains the current value in the standby or module
standby mode.
Rev. 1.00 Dec. 27, 2005 Page 464 of 932
REJ09B0269-0100
Bit
31 to
24
23
Bit Name
DO
DMA Transfer Count Register (DMATCR)
DMA Channel Control Register (CHCR)
Initial
Value
All 0
0
R/W
R
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
DMA Overrun
Selects whether the DREQ is detected by overrun 0 or by
overrun 1.
This bit is valid only in CHCR0 and CHCR1.This bit is
reserved and always read as 0 in CHCR2 to CHCR5. The
write value should always be 0.
0: Detects DREQ by overrun 0
1: Detects DREQ by overrun 1
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