參數(shù)資料
型號: UPD61052
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER
中文描述: 馬鞍山集成電路MPEG2音頻/視頻編碼器
文件頁數(shù): 11/106頁
文件大?。?/td> 824K
代理商: UPD61052
Data Sheet S15082EJ4V0DS
11
μ
PD61051, 61052
1.6
Stream Output Interface
This interface outputs MPEG TS/PS stream. When in master mode (MPEG2-TS output with using valid signal),
data output is possible to select 8bits parallel data or serial data mode. In serial mode, data output from OS0.
Active polarity of OSVLD is selected by the port setup register.
Active polarity of OSCLK/OSSTB and OSSYNC are selected by firmware. These are unsettled after the turning on.
Name
IO
Pin
Number
Function
Active
Polarity
OSREQ
I
70
Stream data request in slave mode
L
OSCLK/
OSSTB
O
66
Stream data strobe
After reset, default is active high edge.
OSCLK
/OSSTB
O
66
Stream data clock
After reset, default is OSSTB.
OSSYNC
O
67
Stream data synchronization
After reset, default is active high.
OSVLD
/OSRDY
O
68
Stream data valid
After reset, default is OSRDY.
OSVLD/
OSRDY
O
68
Stream data ready prepared
After reset, default is active low.
OS7 to OS0
/
FA13 to FA6
O
65 to 63,
61, 59 to
56
Stream data output
Remark
In this table, means of reset are hardware reset by the RESET pin and ALL RESET of the reset register.
1.7
SDRAM Interface
Name
IO
Pin Number
Function
Active
Polarity
MA13 to MA0
O
104, 103, 115, 102, 114, 113, 111,
109, 108, 106, 101, 99, 97, 95
Address of row/column
MD31 to MD0
IO
93 to 89, 87, 85, 83, 72, 75 to 81,
149, 147 to 143, 141, 139, 127,
129, 131 to 134, 136, 138
Data
(Built-in 50 k
pull up resistor)
MCLK
O
118
Clock
MCKE
O
116
Clock enable
H
MCS
O
120
Chip selection
L
MRAS
O
121
Row address strobe
L
MCAS
O
123
Column address strobe
L
MWE
O
125
Write enable
L
MDQM
O
126
Data input/output mask enable
L
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