32580BSuperI/O Module

Table 5-47. Bank Selection Encoding

 

 

 

BSR Bits

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

6

5

4

3

2

1

0

Bank Selected

Functionality

 

 

 

 

 

 

 

 

 

 

0

x

x

x

x

x

x

x

0

UART + IR

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

1

1

1

0

1

0

0

0

4

IR Only

 

 

 

 

 

 

 

 

 

 

1

1

1

0

1

1

0

0

5

 

 

 

 

 

 

 

 

 

 

 

1

1

1

1

0

0

0

0

6

 

 

 

 

 

 

 

 

 

 

 

1

1

1

1

0

1

0

0

7

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 5-48. 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

LCR1. Link Control

 

R/W

BSR1. 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 5-47.

Table 5-49. 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 Control 1

 

 

 

03h

R/W

BSR. Bank Select

 

 

 

04h

R/W

EXCR2. Extended Control 2

 

 

 

05h

---

RSVD. Reserved

 

 

 

06h

RO

TXFLV. TX FIFO Level

 

 

 

07h

RO

RXFLV. RX FIFO Level

 

 

 

142

AMD Geode™ SC2200 Processor Data Book

Page 136
Image 136
AMD SC2200 manual Bank Selection Encoding, Bank 1 Register Map, Bank 2 Register Map, BSR Bits Bank Selected Functionality