參數(shù)資料
型號: STV5730
廠商: 意法半導(dǎo)體
英文描述: Advanced FM Audio Play-Back and Record Amplifier For VCR(用于VCR,收費電視和衛(wèi)星接收器的多標(biāo)準(zhǔn)熒幕顯示)
中文描述: 先進(jìn)的調(diào)頻音頻回放和記錄放大器(用于錄像機,收費電視和衛(wèi)星接收器的多標(biāo)準(zhǔn)熒幕顯示為錄像機)
文件頁數(shù): 11/19頁
文件大?。?/td> 332K
代理商: STV5730
7
0
DATA[7:0]
DATA
This 8-bit data messagewrites the dataat the location indicated by the write pointer. The 4-bit data MSB
is copiedfrom the last previous 16-bit data message.
The 0-bit data message writes a data at the location indicated by the write pointer.The last data is used
from the previous8-bit or 16-bit data message.
15
0
12
0
11
0
0
1
don’t care
CONTROL
This 16-bit control message stopsthe 4*fscquartz oscillator.
15
0
12
1
11
0
0
1
don’t care
CONTROL
This 16-bit control message resets the circuit and starts the 4*fsc quartz oscillator. This message should
not be used if an external4 x fsc clock is used insteadof the quartz.It is mandatorythat reset operation is
as describedin paragraph2.3.
DATA
CLK
CSN
DATA
CLK
CSN
DATA
CLK
CSN
15
14
13
12
2
1
0
7
6
5
4
3
2
1
0
16-BIT
MESSAGE
8-BIT
MESSAGE
0-BIT
MESSAGE
5
Figure 2
2.2 - The Write Pointer
As described in the ”message format” paragraph,
an address consists of three fields : STRU[7:6],
BUF[11:8], DEPL[4:0].
The STRU[7:6] fieldindicates whether it is a PAGE
address or a ROW ATTRIBUTE / REGISTER ad-
dress. It also determines the addressincrementa-
tion scheme.
- STRU[7:6] = 00 :
It is a PAGE address. BUF provides the row
number (from 0 to 10) and DEPL provides the
characternumber (from0 to 27). DEPL is incre-
mentedaftereachdatamessage.Whenthe write
of a row is completed, the write pointer is auto-
matically set to the next row first character.
- STRU[7:6] = 01 :
It is also a PAGE address buttheincrementation
scheme isa bit different: when thewrite of arow
iscompleted,thewritepointerisautomaticallyset
to the first characterof the same row.
- STRU[7:6] = 11 :
Itisarowattributeoraregisteraddress.TheBUF
field must be set to 0000 and the DEPL field is
incrementedafter eachdata access.
STV5730
11/19
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