AMD SC3200 Bank Selection Encoding, Bank 1 Register Map, Bank 2 Register Map, Bank 3 Register Map

Models: SC3200

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Page 130
Image 130

32581CSuperI/O Module

Table 5-38. Bank Selection Encoding

BSR Bits

7

6

5

4

3

2

1

0

Bank Selected

 

 

 

 

 

 

 

 

 

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

LCR1. Line 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 5-38 on page 130.

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

 

 

 

 

 

Table 5-41. Bank 3 Register Map

Offset

Type

Name

 

 

 

00h

RO

MRID. Module and Revision ID

 

 

 

01h

RO

SH_LCR. Shadow of LCR

 

 

 

02h

RO

SH_FCR. Shadow of FIFO Control

 

 

 

03h

R/W

BSR. Bank Select

 

 

 

04h-07h

---

RSVD. Reserved

 

 

 

 

 

 

130

 

AMD Geode™ SC3200 Processor Data Book

Page 130
Image 130
AMD SC3200 manual Bank Selection Encoding, Bank 1 Register Map, Bank 2 Register Map, Bank 3 Register Map