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M69KB128AA Datasheet(PDF) 37 Page - STMicroelectronics

Part # M69KB128AA
Description  128 Mbit (8Mb x16) 1.8V Supply, Burst PSRAM
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M69KB128AA Datasheet(HTML) 37 Page - STMicroelectronics

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M69KB128AA
7 Configuration registers
37/68
7.5
Device ID Register
The Device ID Register (DIDR) is a read-only register that contains the Manufacturer code. It is
preprogrammed by STMicroelectronics and cannot be modified by the user.
Refer to Table 12 for the description of the Bus Configuration Register Bits.
Table 12.
Device ID Register Definition
Address
Bits
Device ID
Register Bits
Name
Value
Description
A15
DIDR15
Row Size
0
128 Words
A14-A11
DIDR14-DIDR11
Design Version
0000
A
0001
B
0010
C
0011
D
1111
P
Other Configurations Reserved
A10-A8
DIDR10-DIDR8
Device Density
000
16 Mbits
001
256 Mbits
010
64 Mbits
011
128 Mbits
100
32 Mbits
Other Configurations Reserved
A7-A5
DIDR7-DIDR5
PSRAM Generation
001
1.0
010
1.5
011
2.0
Other Configurations Reserved
A4-A0
DIDR4-DIDR0
Device ID
00001
Cypress
00010
Infineon
00011
Micron
00100
Renesas
01111
STMicroelectronics
Other Configurations Reserved



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