HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 158
HD6417720BP133BV
Manufacturer Part Number
HD6417720BP133BV
Description
SH3-DSP, WITH USB AND LCDC, PB-F
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.R8A77210C133BAV.pdf
(1478 pages)
Specifications of HD6417720BP133BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
133MHz
Connectivity
FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
117
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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Section 3 DSP Operating Unit
Notes: 1. If a TRAPA instruction is used as a repeat detection instruction, an instruction
(e)
(f)
Page 98 of 1414
If a repeat detection instruction is a delayed slot instruction of a delayed branch instruction or a
branch instruction, a repeat loop can be acknowledged when a branch does not occur in a
branch instruction. If a branch occurs in a branch instruction, a repeat control is not performed
and a branch destination instruction is executed.
If RC[11:0] ≥ 2, the program counter (PC) value is not correct for instructions two instructions
following a repeat detection instruction. In a repeat loop consisting of one to three instructions,
the PC indicates the correct value (instruction address + 4) for an instruction (repeat start
instruction) following a repeat detect ion instruction but the PC continues to indicate the same
address (repeat start instruction address) from the subsequent instruction to a repeat end
instruction. In a repeat loop consisting of four or more instructions, the PC indicates the correct
value (instruction address + 4) for an instruction following a repeat detect ion instruction, but
PC indicates the RS and (RS +2) for instructions two and three instructions following the
repeat detection instruction. Here, RS indicates the value stored in the repeat start register
(RS). The correct operation cannot be guaranteed for the incorrect PC values.
Accordingly, PC relative addressing instructions placed two or more instructions following the
repeat detection instruction cannot be executed correctly and the correct results cannot be
obtained.
Branch from a repeat detection instruction
Program counter during repeat control
2. If a SLEEP instruction is placed following a repeat detection instruction, a transition to
following the repeat detection instruction is regarded as a return address. In this case, a
control cannot be returned to the repeat control correctly. In a TRAPA instruction, an
address of an instruction following the repeat detection address is regarded as return
address. Accordingly, to return to the repeat control correctly, place a return address
prior to the repeat detection instruction.
the low-power consumption state or an exception acceptance such as interrupts can be
performed correctly. In this case, however, the repeat control cannot be returned
correctly. To return to the repeat control correctly, the SLEEP instruction must be
placed prior to the repeat detection instruction.
SH7720 Group, SH7721 Group
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010
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