HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 442
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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SH7720 Group, SH7721 Group
Section 9 Bus State Controller (BSC)
(12) Low-Power SDRAM
The low-power SDRAM can be accessed using the same protocol as the normal SDRAM. The
differences between the low-power SDRAM and normal SDRAM are that partial refresh takes
place that puts only a part of the SDRAM in the self-refresh state during the self-refresh function,
and that power consumption is low during refresh under user conditions such as the operating
temperature. The partial refresh is effective in systems in which data in a work area other than the
specific area can be lost without severe repercussions. For details, refer to the data sheet for the
low-power SDRAM to be used.
The low-power SDRAM supports the extension mode register (EMRS) in addition to the mode
registers as the normal SDRAM. This LSI supports issuing of the EMRS command.
The EMRS command is issued according to the conditions specified in table 9.20. For example, if
data H'0YYYYYYY is written to address H'A4FD5XXX in long-word, the commands are issued
to the CS3 space in the following sequence: PALL -> REF × 8 -> MRS -> EMRS. In this case, the
MRS and EMRS issue addresses are H'0000XXX and H'YYYYYYY, respectively. If data
H'1YYYYYYY is written to address H'A4FD5XXX in long-word, the commands are issued to the
CS3 space in the following sequence: PALL -> MRS -> EMRS.
Page 382 of 1414
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010
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