參數(shù)資料
型號: UPD61052GD-LML
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): 59/106頁
文件大?。?/td> 824K
代理商: UPD61052GD-LML
Data Sheet S15082EJ4V0DS
59
μ
PD61051, 61052
4.6
Operation Mode Setting by Changing Firmware
When changing a mode, host CPU transfers the instruction of each mode from SDRAM to the instruction RAM of
the internal CPU and restarts.
Return
Mode setting
Software reset of internal CPU
Reset register (3EH)
02H
Source address register
(21H to 23H) setting
Destination address register
(24H to 26H) setting
Number of transfer bytes/4
Transfer counter register
(27H to 29H) setting
SDRAM
iRAM transfer
Transfer mode register
(20H)
20H setting
Parameter setting
Transfer ending (refer to
4.7
)
Internal CPU reset is canceled
Reset register
(3EH)
00H setting
Y
Y
N
N
N
Y
Parameter setting
Mode setting A
Mode setting A
Destination address register
(24H to 26H) setting
System interface register
setting
Number of transfer bytes
Transfer counter register
(27H to 29H) setting
Host CPU
SDRAM transfer
Transfer mode register
(20H)
40H setting
Transfer data register
(3FH)
Parameter
All parameters
writing ending
All parameters
in SDRAM
writing ending
128 bytes
writing ending
Return
Transfer ending (refer to
4.7
)
Y
Y
N
N
CINT
Interrupt register 0
(30H): (02H or 01H)
Y
N
Interrupt register 0
(30H): 04H
Interrupt register 0 clear
Interrupt register 0 (30H)
Interrupt register 0 (30H)
Return
Transfer error handling
(refer to
4.8
)
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