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CS5535 数据表(PDF) 375 Page - National Semiconductor (TI) |
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CS5535 数据表(HTML) 375 Page - National Semiconductor (TI) |
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375 / 555 page ![]() Revision 0.8 375 www.national.com UART/IR Controller Register Descriptions (Continued) Bank Select Register (BSR) BSR selects the next register bank to be accessed. For details on how to access this register, see the description of BKSE (bit 7) of LCR (Section 5.12.3.4 on page 373). The register map and bit descriptions are applicable for all banks. I/O Offset 03h Type R/W Reset Value 00h BSR Register Map 76 54 32 10 BKSE BSR[6:0] BSR Bit Descriptions Bit Name Description 7 BKSE Bank Select Enable 0: Bank 0 selected. 1: Bits 6 to 0 specify the selected bank (see Table 5-35). 6:0 BSR[6:0] Bank Select [6:0]. When BKSE (bit 7) is set to 1, these bits select the bank (see Table 5- 35). Table 5-35. Bank Select Encoding BSR Bits Bank Selected 7 654 321 0 0 xxx xxxx 0 1 0 xx xxxx 1 1 1 xx xx 1 x 1 1 1 xx xxx 1 1 1 110 000 0 2 1 110 010 0 3 1 110 100 0 4 1 110 110 0 5 1 111 000 0 6 1 111 010 0 7 1 111 1 x 0 0 Reserved 11 0 x x x 00 Reserved |
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