參數(shù)資料
型號(hào): UPD488448FB-C80-45-DQ1
廠商: NEC Corp.
英文描述: 128 M-bit Direct Rambus⑩ DRAM
中文描述: 128 M位DRAM的直接Rambus的⑩
文件頁數(shù): 47/80頁
文件大?。?/td> 1902K
代理商: UPD488448FB-C80-45-DQ1
Data Sheet M14837EJ3V0DS00
47
μ
PD488448 for Rev. P
Figure 22-1 Control Registers (7/7)
Control Register : TEST77
Address : 04d
16
Control Register : TEST78
Address : 04e
16
Control Register : TEST79
Address : 04f
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Read/write register.
These registers must only be used for testing purposes.
Field
Description
Reset
value
TEST77
It must be written with zero after SIO reset. These registers must only be used for testing purposes
except prior to the SETR/CLRR sequence when TEST78 is written with the value 0004
16
. After
SETR/CLRR it is rewritten to 0000
16
.
Do not read or written after SIO reset.
TEST78
0
TEST79
Do not read or written after SIO reset.
0
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