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M69KB128AA Folha de dados(PDF) 36 Page - STMicroelectronics

Nome de Peças M69KB128AA
Descrição Electrónicos  128 Mbit (8Mb x16) 1.8V Supply, Burst PSRAM
PDF  68 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M69KB128AA Folha de dados(HTML) 36 Page - STMicroelectronics

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7 Configuration registers
M69KB128AA
36/68
Table 11.
Refresh Configuration Register Definition
Address
Bits
Refresh
Configuration
Register Bits
Name
Value
Description
A15-A8
-
-
Must be set to ‘0’ Reserved
A7
RCR7
Page Mode
Operation Bit
0
Page Read Mode Disabled (Default)
1
Page Read Mode Enabled
A6-A5
-
-
Must be set to ‘0’ Reserved
A4
RCR4
Deep Power-
Down Bit
0
Deep Power-Down Enabled
1
Deep Power-Down Disabled (Default)
A3
-
-
Must be set to ‘0’ Reserved
A2-A0
RCR2-RCR0
Partial Array
Refresh Bits
000
Full Array Refresh (Default)
001
Refresh of the Bottom Half of the Array
010
Refresh of the Bottom Quarter of the Array
011
Refresh of the Bottom Eighth of the Array
100
None of the Array
101
Refresh of the Top Half of the Array
110
Refresh of the Top Quarter of the Array
111
Refresh of the Top Eighth of the Array



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