參數(shù)資料
型號: MT90863AL1
廠商: Mitel Networks Corporation
英文描述: 3V Rate Conversion Digital Switch
中文描述: 3V的速率轉換數(shù)字開關
文件頁數(shù): 20/35頁
文件大?。?/td> 154K
代理商: MT90863AL1
MT90863
Advance Information
20
Table 13 -. Address Buffer (ABR) Register Bits
.Table 14 - Data Write (DWR) Register Bits
Bit
Name
Description
15
unused
Reserved
14
CDA
Complete Data Access.
This bit is read only. This bit changes from 0 to 1
when data transfer is completed between memory and the data read register or
data write register. When the RS or WS bit in this register is changed from 1 to
0, this bit is reset to zero.
13
RS
Read Select.
A zero to one transition of this bit initiates the data transfer from
memory to the data read register. This bit is reset to zero when the CDA bit
changes from 0 to 1.
12
WS
Write Select.
A zero to one transition of this bit initiates the data transfer from
the data write register to memory. This bit is reset to zero when the CDA bit
changes from 0 to 1.
11 - 5
CA6 - CA0
Channel Address Bits.
These bits perform the same function as the external
address bits when used to access various memory locations. The number
(expressed in binary notation) on these bits refers to the input or output data
stream channel that corresponds to the subsection of memory.
4 - 0
SA4 - SA0
Stream Address Bits.
These bits perform the same function as the STA bits in
the control register. The number (expressed in binary notation) on these bits
refers to the input or output data stream which corresponds to the subsection of
memory.
Bit
Name
Description
15 - 0
WR15 - WR0
Write Data Bits.
Data to be transferred to one of the internal memory
locations.
Read/Write Address:
Reset value:
0C
H
for ABR register,
0000
H
7
6
5
4
3
2
1
0
8
9
10
11
12
13
SA0
SA1
SA2
SA3
14
15
SA4
CA0
CA1
CA2
CA3
CA4
CA5
CA6
WS
RS
CDA
0
Read/Write Address:
Reset value:
0D
H
for DWR register,
0000
H
7
6
5
4
3
2
1
0
8
9
10
11
12
13
WR0
WR1
WR2
WR3
14
15
WR4
WR5
WR6
WR7
WR8
WR9
WR10
WR11
WR12
WR13
WR14
WR15
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