HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 180

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

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: -

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