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| 型號： | HYE18P32160AC-15 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | M39012 MIL RF CONNECTOR |
| 中文描述： | 32M的同步突發(fā)的CellularRAM |
| 文件頁數(shù)： | 22/53頁 |
| 文件大?。?/td> | 1426K |
| 代理商： | HYE18P32160AC-15 |
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HYE18P32160AC(-/L)9.6/12.5/15
32M Synchronous Burst CellularRAM
Functional Description
Data Sheet
22
V2.0, 2003-12-16
2.3.1
By applying PASR the user can dynamically customize the memory capacity to one’s actual needs in normal
operation mode and standby mode. With the activation of PASR there is no longer a power penalty paid for the
larger CellularRAM memory capacity in case only e.g. 8 Mbits are used by the host system.
Bit2 down to bit0 specify the active memory array and its location (starting from bottom or top). The memory parts
not used are powered down immediately after the mode register has been programmed. Advice for the proper
register setting including the address ranges is given in
Figure 9
.
Partial Array Self Refresh (PASR)
Figure 9
PASR Programming Scheme
PASR is effective in normal operation and standby mode as soon as it has been configured by register
programming. Default setting is the entire memory array.
Figure 10
shows an exemplary PASR configuration where it is assumed that the application uses max. 8 Mbit out
of 32 Mbit.
PASR
[2:0]
w
Partial Array Self Refresh
The 3-bit PASR field is used to specify the active memory array. The active memory
array will be kept periodically refreshed whereas the disabled parts will be excluded
from refresh and previously stored data will get lost. The normal operation still can be
executed in disabled array, but stored data is not guaranteed. This way the customer
can dynamically adapt the memory capacity in steps of 8 Mbit (4Mbit at lowest) to
one’s need without paying a power penalty. Please refer to
Figure 9
.
000
entire memory array (default)
001
lower 1/2 of the memory array (16 Mb)
010
lower 1/4 of the memory array (8 Mb)
011
lower 1/8 of the memory array (4 Mb)
100
zero
101
upper 1/2 of the memory array (16 Mb)
110
upper 1/4 of the memory array (8 Mb)
111
upper 1/8 of the memory array (4 Mb)
Reserved
must be set to ‘0’
Res
20,
[18:8],
3
w
1) w: write-only access
Field
Bits
Type
1)
Description
8M
8M
8M
8M
000000h
07FFFFh
0FFFFFh
17FFFFh
1FFFFFh
000
32M
001
16M
010
8M
011
4M
1FFFFFh
180000h
100000h
080000h
000000h
100
101
110
111
PASR.Bit2,1,0
PASR.Bit2,1,0
4M
8M
16M
0M
相關(guān)PDF資料 |
PDF描述 |
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| HYE18P32161AC-85 | 32M Asynchronous/Page CellularRAM |
| HYE18P32161AC | 32M Asynchronous/Page CellularRAM |
| HYE18P32161ACL70 | JT 23C 21#20 2#16 SKT PLUG |
| HYE18P32161ACL85 | Circular Connector; MIL SPEC:MIL-DTL-38999 Series II; Body Material:Metal; Series:JT; No. of Contacts:11; Connector Shell Size:18; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight RoHS Compliant: No |
| HYE18P32161AC-70 | 32M Asynchronous/Page CellularRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HYE18P32160AC-96 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Synchronous Burst CellularRAM |
| HYE18P32160ACL125 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Synchronous Burst CellularRAM |
| HYE18P32160ACL15 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Synchronous Burst CellularRAM |
| HYE18P32160ACL96 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Synchronous Burst CellularRAM |
| HYE18P32161AC | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32M Asynchronous/Page CellularRAM |
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