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CS4103 Datasheet(PDF) 12 Page - National Semiconductor (TI) |
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CS4103 Datasheet(HTML) 12 Page - National Semiconductor (TI) |
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12 / 24 page  www.national.com 12 Revision 1.0 3.0 Register Descriptions The CS4103 register set consists of Base registers and selectable Port/Page registers as illustrated in Figure 3-1. Addresses 00h through 07h access Base registers while addresses 08h through 0Fh access Port/Page registers. Port and Page information is selected using the Port_select and Page_select fields in the Base register at Address 07h. Of seven possible page addresses, three register pages are defined: the Port Status page (Page 0), Vendor Identifi- cation page (Page 1), and Vendor Specific page (Page 7). Port selection within a page is required for the Port Status Page. The Vendor Identification page has no per-port infor- mation and port selection has no effect on addressing this page. The Vendor Specific page may contain per-port reg- isters but this implementation does not require port selec- tion to access user defined registers. Table 3-1 is a register map of the CS4103 showing the Base and Port/Page selection registers. The remaining sub-sections of this chapter provide details on register access and bit format information. Figure 3-1. Base and Page/Port Registers 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Vendor Specific Page Port 2 Page 7 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Vendor Specific Page Port 1 Page 7 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Vendor Specific Page Port 0 Page 7 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Port Status Page Port 2 Page 0 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Port Status Page Port 1 Page 0 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Port Status Page Port 0 Page 0 00h 01h 02h 03h 04h 05h 06h 07h Port_select Page_select 08h 09h 0Ah 0Bh 0Ch 0Dh 0Eh 0Fh Vendor Identification Page Page 1 Base Registers Table 3-1. Register Map Address 01234 567 00h Physical_ID R PS 01h RHB IBR Gap_count 02h Extended RSVD Total_ports 03h Max_speed RSVD Delay 04h Link_active Contender Jitter Pwr_class 05h Resume_int ISBR Loop Pwr_fail Timeout Port_event Enab_accel Enab_multi 06h RSVD 07h Page_select RSVD Port_select 08h Page[n], Port[n], Register-0 09h Page[n], Port[n], Register-1 0Ah Page[n], Port[n], Register-2 0Bh Page[n], Port[n], Register-3 0Ch Page[n], Port[n], Register-4 0Dh Page[n], Port[n], Register-5 0Eh Page[n], Port[n], Register-6 0Fh Page[n], Port[n], Register-7 |
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