OXCFU950_07 Datasheet, PDF (18/74 Pages) Oxford Semiconductor – USB/UART multi-function 16-bit PC Card device

OXFORD SEMICONDUCTOR, INC.
OXCFU950 DATA SHEET
6.5 I/O Space Registers
0x00 to
0x0B
Notes
UART
See Section 8 for details of the UART register map
0x0C
Notes
Bits
7
6
5
4
3
2
1
0
0x0D to
0x0F
Note
EEPROM Status and Control Register
This 8-bit register provides bitmapped access to the control signals of the EEPROM. By manipulating these signals it is possible
to program and read back the various locations of the EEPROM.
Description
Read/Write
Reset
EEPROM
Host
Access
e2_rdybsyn
-
R
X
e2_fn_wtn
-
RW
0
e2_fn_shandloadb
-
RW
0
e2_fn_sdi / e2_fn_sdo
-
RW
0
e2_fn_clock
-
RW
0
e2_fn_reset
-
RW
0
e2_fn_test
-
RW
0
e2_valid
-
R
X
UART
See Section 8 for details of the UART register map
0x10
Notes
Bits
7:0
Test
This register provides 8 bits of read/write storage & can be used for test purposes.
Description
Test register
Bit 1—enables I/O memory mode for UART
Bit 3—enables I/O memory mode for USB
Read/Write
EEPROM
Host
Access
W
R/W
Reset
10100101
DS-0023 February 2007
External—Free Release
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