參數(shù)資料
型號(hào): UPD61051
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): 41/106頁
文件大?。?/td> 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
41
μ
PD61051, 61052
(1)
Data transfer register
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
20H
SI
SSD
SDI
MSD
MI
SDW
SDR
R/W
Download mode
Bit
Field
Function
Initial value
7
SI
Host CPU
instruction RAM of internal CPU
0: Releasing of transfer, 1: Transfer
Note
0
6
SSD
Host CPU
SDRAM
0: Releasing of transfer, 1: Transfer
Note
0
5
SDI
SDRAM
instruction RAM of internal CPU
0: Releasing of transfer, 1: Transfer
Note
0
4
MSD
Instruction ROM
SDRAM
0: Releasing of transfer, 1: Transfer
Note
0
3
MI
Instruction ROM
instruction RAM of internal CPU
0: Releasing of transfer, 1: Transfer
Note
0
2
Reserved (set only 0)
0
1
SDW
Host CPU
SDRAM
0: Releasing of transfer,1: Transfer
0
0
SDR
SDRAM
host CPU
0: Releasing of transfer, 1: Transfer
0
Note
Set internal CPU reset (with Register 3EH
02H)
More than one bit cannot be set to 1 at the same time. It becomes a transfer error when writing at the transfer
mode register while transferring. When canceling a transfer while transferring, it stops a transfer. At this time, the
data in the transfer buffer becomes invalid. The transfer of SDR with once is to a maximum of 128 bytes. If host CPU
stops the transfer, host CPU should operate transfer error handling.
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