HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 180
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 3 DSP Operating Unit
Table 3.30 Variation of Rounding Operation
• Overflow Protection
Rev. 1.00 Dec. 27, 2005 Page 136 of 1044
REJ09B0269-0100
Mnemonic
PRND
The S bit in SR is effective for any rounding operations in the DSP unit. See section 3.5.11,
Overflow Protection, for details.
39
Guard
31
Function
Rounding
Source 1 or 2
Figure 3.21 Definition of Rounding Operation
39
Guard
Figure 3.20 Rounding Operation Flow
31
H'00 0002
H'00 0001
0
ALU
Rounded result
Source 1
Sx
—
H'00008000
0
0
Analog value
DSR
Cleared to 0
Source 2
—
Sy
True value
GT
Z
N
V DC
Destination
Dz
Dz
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