cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 375

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

Revision 0.8
UART/IR Controller Register Descriptions
Bank Select Register (BSR)
I/O Offset
Type
Reset Value
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.
Bit
6:0
7
7
0
1
1
1
1
1
1
1
1
1
1
1
BKSE
7
Name
BKSE
BSR[6:0]
6
x
0
1
1
1
1
1
1
1
1
1
1
03h
R/W
00h
6
5
1
1
1
1
1
1
1
0
x
x
x
x
Description
Bank Select Enable
0: Bank 0 selected.
1: Bits 6 to 0 specify the selected bank (see Table 5-35).
Bank Select [6:0]. When BKSE (bit 7) is set to 1, these bits select the bank (see Table 5-
35).
4
x
x
x
x
0
0
0
0
1
1
1
x
5
BSR Bits
Table 5-35. Bank Select Encoding
BSR Bit Descriptions
3
x
x
x
x
0
0
1
1
0
0
1
x
BSR Register Map
4
2
0
1
0
1
0
1
x
x
x
x
x
x
375
(Continued)
BSR[6:0]
3
1
x
x
1
x
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
x
x
x
2
Bank Selected
1
Reserved
Reserved
0
1
1
1
2
3
4
5
6
7
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0