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): 62/106頁
文件大小: 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
62
μ
PD61051, 61052
4.8.2
Transfer error handling 2
This is a error handling of DMA-ERR which occurs when interrupting the transfers (SDRAM read during executing
and SDRAM
instruction RAM of internal CPU transfer)
Transfer error
handling 2
SDRAM
host CPU transfer
release
Transfer mode register
(20H)
00H setting
Interrupt register 0
(30H)
01H setting
Transfer counter register
(27H to 29H)
04H setting
Transfer counter register
(27H to 29H)
04H setting
Transfer data register
(3FH)
Dummy data
Destination address register
(24H to 26H)
Unusing area setting
Transfer data register
(3FH)
Data read
SDRAM
host CPU transfer
Transfer mode register
(20H)
01H setting
Host CPU
SDRAM transfer
Transfer mode register
(20H)
02H setting
Clear Interrupt register 0
Interrupt register 0 (30H)
Interrupt register 0 (30H) setting
Y
Y
N
N
CINT
Interrupt register 0
(30H): 01H
Y
N
All data
reading ending
Y
Y
N
N
CINT
Interrupt register 0
(30H): 02 H
Host CPU
SDRAM transfer
release
Transfer mode register
(20H)
00H setting
Interrupt register 0
(30H)
01H setting
Transfer data register
(3FH)
Dummy data
Return
Y
Y
N
N
CINT
Interrupt register 0
(30H): 01H
Y
N
All data
writing ending
Clear transfer error
Interrupt register 0 (30H)
04H setting
N
Host CPU
SDRAM transfer
release
Transfer mode register
(20H)
00H setting
Y
All data
writing ending
Transfer counter register
(27H to 29H)
04H setting
Destination address register
(24H to 26H)
Unusing area setting
Host CPU
SDRAM transfer
Transfer mode register
(20H)
02H setting
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