AMD Geode SC2200 - Manual (Page 132)

138 AMD Geode™ SC2200 Processor Data Book
SuperI/O Module 32580B
Table 5-38. Bank Selection Encoding
BSR Bits
Bank Selected 7 6 5 4 3 2 1 0
0 x x x x x x x 0
1 0 x x x x x x 1
1 1 x x x x 1 x 1
1 1 x x x x x 1 1
1 1 1 0 0 0 0 0 2
1 1 1 0 0 1 0 0 3
Table 5-39. Bank 1 Register Map
Offset Type Name
00h R/W LBGD(L). Legacy Baud Generator Divisor Port (Low Byte)
01h R/W LBGD(H). Legacy Baud Generator Divisor Port (High Byte)
02h --- RSVD. Reserved
03h W
LCR
1
. Line Control
R/W
BSR
1
. Bank Select
04h-07h --- RSVD. Reserved
1. When bit 7 of this register is set to 1, bits [6:0] of BSR select the bank, as shown in Table 5-38 on page 139.
Table 5-40. Bank 2 Register Map
Offset Type Name
00h R/W BGD(L). Baud Generator Divisor Port (Low Byte)
01h R/W BGD(H). Baud Generator Divisor Port (High Byte)
02h R/W EXCR1. Extended Control1
03h R/W BSR. Bank Select
04h R/W EXCR2. Extended Control 2
05h --- RSVD. Reserved
06h RO RXFLV. RX_FIFO Level
07h RO TXFLV. TX_FIFO Level