參數(shù)資料
型號: 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): 43/106頁
文件大?。?/td> 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
43
μ
PD61051, 61052
(3)
Destination address register
Address
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
24H
DA16
R/W
Destination address
25H
DA15 to DA8
R/W
Destination address
26H
DA7 to DA0
R/W
Destination address
It sets Destination address. It becomes effective in case of transfer to SDRAM or instruction RAM of internal CPU.
It isn't possible to change until it cancels a transfer mode after setting a transfer mode register. It becomes a transfer
error when rewriting before canceling a transfer mode. The relation of the address of SDRAM and instruction RAM of
internal CPU is as in
Figure 3-4
and
3-5
. The addressing of SDRAM becomes a 32 address by 4-word unit (128
bytes).
Figure 3-4. Relation of Destination Address and SDRAM Address
Host CPU
interface register
24H to 26H
0 0 0 0 0 0 0
0 0 0 0 0
SDRAM address
Bank select
The μPD61051/61052
adds 0 automatically
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
Figure 3-5. Relation of Destination Address and Instruction ROM Address of Internal CPU
0 0 0 0 0 0 0
Instruction RAM
address of
intemal CPU
Host CPU
interface register
24H to 26H
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
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