cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 388

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

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UART/IR Controller Register Descriptions
5.12.6.2
I/O Offset
Type
Reset Value
SH_LCR returns the value of the LCR. The LCR is written into when a byte value, with bit 7 set to 0, is written to the
LCR/BSR registers location (at I/O Offset 03h) from any bank.
5.12.6.3
I/O Offset
Type
Reset Value
This register returns the contents of the FCR in Bank 0.
5.12.6.4
I/O Offset
Type
Reset Value
BSR is the same as the BSR register at I/O Offset 03h in Bank 0. See Section 5.12.3.4 "Link Control/Bank Select Regis-
ters" on page 373 for bit descriptions.
Bit
7:4
3:0
RSVD
7
7
RXFTH[1:0]
Shadow of Link Control Register (SH_LCR)
Shadow of FIFO Control Register (SH_FCR)
Bank Select Register (BSR)
Name
MID[3:0]
RID[3:0]
01h
RO
00h
02h
RO
00h
03h
R/W
00h
SBRK
6
6
Description
Module ID. Identifies the module type.
Revision ID. Identifies the module revision level. For example, 0h = revision 0, 1h = revi-
sion 1, etc.
STKP
5
5
TXFTH[1:0]
MRID Bit Descriptions
SH_LCR Register Map
FCR Register Map
EPS
4
4
388
(Continued)
RSVD
PEN
3
3
TXSR
STB
2
2
RXSR
WLS1
1
1
FIFO_EN
WLS0
Revision 0.8
0
0