DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 323
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Bit
10
9
8
7 to 5
Bit Name
RMODE
PDOWN
BACTV
⎯
Initial
Value
0
0
All 0
0
R/W
R/W
R/W
R/W
R
Description
Refresh Control
Specifies whether to perform auto-refresh or self-
refresh when the RFSH bit is 1. When the RFSH bit is
1 and this bit is 1, self-refresh starts immediately.
When the RFSH bit is 1 and this bit is 0, auto-refresh
starts according to the contents that are set in
registers RTCSR, RTCNT, and RTCOR.
0: Auto-refresh is performed
1: Self-refresh is performed
Power-Down Mode
Specifies whether the SDRAM will enter the power-
down mode after the access to the SDRAM. With this
bit being set to 1, after the SDRAM is accessed, the
CKE signal is driven low and the SDRAM enters the
power-down mode.
0: The SDRAM does not enter the power-down mode
1: The SDRAM enters the power-down mode after
Bank Active Mode
Specifies to access whether in auto-precharge mode
(using READA and WRITA commands) or in bank
active mode (using READ and WRIT commands).
0: Auto-precharge mode (using READA and WRITA
1: Bank active mode (using READ and WRIT
Note: Bank active mode can be used only when
Reserved
These bits are always read as 0. The write value
should always be 0.
after being accessed.
being accessed.
commands)
commands)
either the upper or lower bits of the CS3 space
are used. When both the CS2 and CS3 spaces
are set to SDRAM, specify the auto-precharge
mode.
Rev. 3.00 Sep. 28, 2009 Page 291 of 1650
Section 9 Bus State Controller (BSC)
REJ09B0313-0300
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