R0K572011S000BE Renesas Electronics America, R0K572011S000BE Datasheet - Page 1032
R0K572011S000BE
Manufacturer Part Number
R0K572011S000BE
Description
KIT STARTER FOR SH7201
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Datasheets
1.R0K572011S000BE.pdf
(1222 pages)
2.R0K572011S000BE.pdf
(7 pages)
3.R0K572011S000BE.pdf
(5 pages)
Specifications of R0K572011S000BE
Contents
CPU Board, LCD Display Module, E8 Emulator, Cable, QuickStart Guide and CD-ROM
For Use With/related Products
SH7201
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 1032 of 1222
- Download datasheet (8Mb)
Section 25 Power-Down Modes
25.2.8
RAMKP is an 8-bit readable/writable register that specifies whether or not to retain data in the
corresponding on-chip RAM area in deep standby mode. RAMKP is initialized to H'00 by a
power-on reset or in deep standby mode but retains its previous value by a manual reset or in
software standby mode. Only byte access is valid.
When an RAMKP bit is set to 1, data in the corresponding on-chip RAM area is retained in deep
standby mode. When an RAMWE bit is cleared to 0, data in the corresponding on-chip RAM is
not retained in deep standby mode.
Deep standby mode is canceled by an interrupt (NMI or IRQ) or a reset (manual reset or power-on
reset). However, when deep standby mode is canceled by a power-on reset, the contents in the
corresponding on-chip RAM area are not retained even with the RAMKP bit set to 1.
Page 1004 of 1190
Bit
7 to 4
3
2
1
0
RAM Retaining Area Specifying Register (RAMKP)
Bit Name
⎯
RAMKP3
RAMKP2
RAMKP1
RAMKP0
Initial value:
Initial
Value
All 0
0
0
0
0
R/W:
Bit:
R
7
0
R/W
R
R/W
R/W
R/W
R/W
R
6
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
RAM Retaining Area 3 (corresponding RAM
addresses: H'FFF86000 to H'FFF87FFF)
0: Data in RAM is not retained in deep standby mode
1: Data in RAM is retained in deep standby mode
RAM Retaining Area 2 (corresponding RAM
addresses: H'FFF84000 to H'FFF85FFF)
0: Data in RAM is not retained in deep standby mode
1: Data in RAM is retained in deep standby mode
RAM Retaining Area 1 (corresponding RAM
addresses: H'FFF82000 to H'FFF83FFF)
0: Data in RAM is not retained in deep standby mode
1: Data in RAM is retained in deep standby mode
RAM Retaining Area 0 (corresponding RAM
addresses: H'FFF80000 to H'FFF81FFF)
0: Data in RAM is not retained in deep standby mode
1: Data in RAM is retained in deep standby mode
R
5
0
R
4
0
RAM
R/W
KP3
3
0
RAM
KP2
R/W
2
0
RAM
KP1
R/W
1
0
RAM
KP0
R/W
0
0
R01UH0026EJ0300 Rev. 3.00
SH7201 Group
Sep 24, 2010
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