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TPU3035 参数 Datasheet PDF下载

TPU3035图片预览
型号: TPU3035
PDF下载: 下载PDF文件 查看货源
内容描述: 图文电视处理器 [Teletext Processors]
分类和应用: 电视
文件页数/大小: 73 页 / 1175 K
品牌: MICRONAS [ MICRONAS ]
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TPU 3035, TPU 3040  
PRELIMINARY DATA SHEET  
Command Codes, continued  
Code  
Function  
Write Parameter  
Read Parameter  
Notes  
29  
Read Page Cycle  
ghost row status  
2 byte cycle count  
2 byte memory count  
2 byte ghost count  
data service status  
memory status  
= number of pages in cycle  
= number of pages in memory  
= number of ghost blocks in memory  
data service status:  
bit0 = 8/30 format 1 updated  
bit1 = 8/30 format 2 updated  
bit2 = VPS updated  
bit3 = WSS updated  
bit4 = CAPTION 1st field updated  
bit5 = CAPTION 2nd field updated  
memory status:  
bit0 = memory full  
38  
37  
Page Priority  
Read Priority  
enable  
border  
(00)  
(FF)  
enable:  
bit0 = enable priority manager  
border:  
min/max border for page priorities  
highest priority  
lowest priority  
border priority  
magazine number  
page number  
= max priority in page memory  
= min priority in page memory  
= min/max border for page priorities  
= page with lowest priority  
Page Related Commands  
number of open requests  
removed magazine num-  
ber  
12  
Page Request  
magazine number  
page number  
page subcode high  
page subcode low  
priority  
remove pages from memory beginning at  
start page if page priority is disabled,  
ignores start page if page priority is en-  
abled  
removed page number  
magazine number:  
quantity  
start magazine number  
start page number  
bit0–3= magazine number  
bit4 = not used  
bit5 = hex request  
bit6 = backward request  
bit7 = forced request = ignore  
cycle flag  
20  
22  
Read Page Info  
magazine number  
page number  
page pointer high  
page pointer low  
subpage count  
ghost row count  
ring buffer index  
page subcode high  
page subcode low  
= pointer from page table  
= number of subpages in chain  
= number of ghost rows in chain  
if page request with subcode F1xx  
Change Page Info  
magazine number  
page number  
page table flags  
page table flags:  
bit0 = protection  
bit1 = update  
bit2 = not used  
bit3 = not used  
bit4 = not used  
bit5 = subpage  
bit6 = memory  
bit7 = cycle  
28  
Search Next Page  
magazine number  
page number  
search code  
magazine number  
page number  
page pointer high  
page pointer low  
subpage count  
ghost row count  
search in page table for cycle flag  
magazine number:  
bit0–3= magazine number  
bit4 = take search code  
bit5 = hex search  
bit6 = backward search  
bit7 = include start page  
search code:  
bit0 = search protection flag  
bit1 = search update flag  
bit2–4= not used  
bit5 = search subpage flag  
bit6 = search memory flag  
bit7 = search cycle flag  
51  
Read Next Page  
magazine number  
page number  
magazine number  
page number  
calculate next page number  
magazine number:  
bit0–3= magazine number  
bit4 = not used  
bit5 = hex calculation  
bit6 = backward calculation  
bit7 = not used  
MICRONAS INTERMETALL  
39  
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