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CN8474AEPF 参数 Datasheet PDF下载

CN8474AEPF图片预览
型号: CN8474AEPF
PDF下载: 下载PDF文件 查看货源
内容描述: 多通道同步通信控制器( MUSYCC ™ ) [Multichannel Synchronous Communications Controller (MUSYCC?)]
分类和应用: 通信控制器
文件页数/大小: 221 页 / 2104 K
品牌: CONEXANT [ CONEXANT SYSTEMS, INC ]
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CN8478/CN8474A/CN8472A/CN8471A  
6.0 Basic Operation  
Multichannel Synchronous Communications Controller (MUSYCC™)  
6.3 Channel Operation  
6.3.5 Group Configuration Descriptor  
/* signal unit error threshold = 0, no SS7 support required */  
/* sf alignment = 0, use internal flywheel mechanism after initial frame sync */  
/* poll throttle = 1, poll every 16th frame */  
/* inhibit tx bsd = 0, do not inhibit */  
/* inhibit rx bsd = 0, do not inhibit */  
/* memory protection violation action = 0, reset group on detection  
/* message config bit copy = 1, enable */  
/* mask cofa interrupt = 0, do not mask */  
/* mask oof interrupt = 0, do not mask */  
/* oof message processing = 0, continue processing incoming messages */  
/* subchanneling = 0, enabled */  
/* transmitter enabled = 1, enabled */  
/* receiver enabled = 1, enabled */  
GroupStr0.GroupConfigDescr = 0x00000443;  
/* either write directly into MUSYCC register - or - use a service request */  
*(MUSYCC_FUNC_0_BAR + GROUP_CONFIG_DESCR_OFFSET) = GroupStr0.GroupConfigDescr;  
The components of the Group Configuration Descriptor are listed in Table 6-4.  
Table 6-4. Example—Components of Group Configuration Descriptor  
Component of  
Descriptor  
Descriptor  
Value of Components  
0 = SS7 not being used  
Group  
SUET  
Configuration  
Descriptor  
SFALIGN  
POLLTH  
0 = Use internal flywheel mechanism  
1 = Poll buffer ownership every 16th frame per channel  
0 = Allow tx buffer status descriptor writes  
0 = Allow rx buffer status descriptor writes  
0 = On memory protection violation, reset group  
1 = Message configuration bits copy enabled  
0 = Do not mask COFA interrupt  
INHTBSD  
INHRBSD  
MEMPVA  
MCENBL  
MSKCOFA  
MSKOOF  
OOFABT  
0 = Do not mask OOF interrupt  
0 = On OOF detection, continue processing channel  
0 = Subchanneling enabled  
SUBDSBL  
TXENBL  
1 = Transmitter enabled  
RXENBL  
1 = Receiver enabled  
100660E  
Conexant  
6-13  
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