HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 164
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
Every time an ALU arithmetic operation is executed, the DC, N, Z, V, and GT bits in DSR are
basically updated in accordance with the operation result. However, in case of a conditional
operation, they are not updated even though the specified condition is true and the operation is
executed. In case of an unconditional operation, they are always updated in accordance with the
operation result. The definition of a DC bit is selected by CS[2:0] (condition selection) bits in
DSR. The DC bit result is as follows:
Carry or Borrow Mode: CS[2:0] = 000: The DC bit indicates that carry or borrow is generated
from the most significant bit of the operation result, except the guard-bit parts. Some examples are
shown in figure 3.11. This mode is the default condition. When the input data is negative in a
PABS or PNEG instruction, carry is generated.
Rev. 1.00 Dec. 27, 2005 Page 120 of 1044
REJ09B0269-0100
Operation Sequence Example
PADD X0, Y0, A0
Stage
MA/DSP
EX
ID
IF
Slot
MOVX.W @(R4, R8), X0
MOVX.W @R4+, X0
MOVX
Figure 3.10 Operation Sequence Example
1
MOVX & PADD
MOVX
2
Previous cycle result is used.
MOVX & PADD
Addressing
3
Addressing
MOVX
4
MOVX & PADD
5
6
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