OXCFU950_07 Datasheet, PDF (19/74 Pages) Oxford Semiconductor – USB/UART multi-function 16-bit PC Card device

OXFORD SEMICONDUCTOR, INC.
0x11
Multi-Purpose I/O Configuration Register
Bits
Description
7:6
MIO3 configuration register
00—MIO3 is a non-inverting input pin
01—MIO3 is an inverting input pin
10—MIO3 is an output pin driving ‘0’
11—MIO3 is an output pin driving ‘1’
5:4
MIO2 configuration register
00—MIO2 is a non-inverting input pin
01—MIO2 is an inverting input pin
10—MIO2 is an output pin driving ‘0’
11—MIO2 is an output pin driving ‘1’
3:2
MIO1 configuration register
00—MIO1 is a non-inverting input pin
01—MIO1 is an inverting input pin
10—MIO1 is an output pin driving ‘0’
11—MIO1 is an output pin driving ‘1’
1:0
MIO0 configuration register
00—MIO0 is a non-inverting input pin
01—MIO0 is an inverting input pin
10—MIO0 is an output pin driving ‘0’
11—MIO0 is an output pin driving ‘1’
0x12
IRQ Test register
Bits
Description
7:2
Reserved
1
Function ‘1’ IRQ (USB). When set forces USB IRQ to be generated.
0
Function ‘0’ IRQ (UART). When set forces UART IRQ to be generated.
0x13
MIO Interrupt Enable Register
Bits
Description
7:4
Reserved
3
MIO[3] interrupt enable
2
MIO[2] interrupt enable
1
MIO[1] interrupt enable
0
MIO[0] interrupt enable
0x14
USB Interrupt Enable Register
Bits
Description
7:2
Reserved
1
USB fast IRQ enable
0
USB interrupt enable
0x15
UART Interrupt Enable Register
Bits
Description
7:1
Reserved
0
UART host interrupt enable
DS-0023 February 2007
External—Free Release
OXCFU950 DATA SHEET
Read/Write
EEPROM
Host
Access
W
R/W
Reset
00
W
R/W
00
W
R/W
00
W
R/W
00
Read/Write
EEPROM
Host
Access
-
R
W
R/W
W
R/W
Reset
000000
0
0
Read/Write
EEPROM
Host
Access
-
R
W
R/W
W
R/W
W
R/W
W
R/W
Reset
0000
0
0
0
0
Read/Write
EEPROM
Host
Access
-
R
-
R/W
W
R/W
Reset
000000
0
0
Read/Write
EEPROM
Host
Access
-
R
W
R/W
Reset
0000000
1
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