XR17D158 Exar Corporation, XR17D158 Datasheet - Page 16

• Manufacturer Part Number: XR17D158
• Description: Eight-channel Pci-bus Uart
• Manufacturer: Exar Corporation

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PRELIMINARY
A
0x08C-08F
0x088-08B
DDRESS
0x080
0x084-087
0x090-093
A
DDRESS
Ox08C
Ox08D
Ox080
Ox081
Ox082
Ox083
Ox084
Ox085
Ox086
Ox087
Ox088
Ox089
Ox08A
Ox08B
Ox08E
Ox08F
Ox090
Ox091
Ox092
Ox093
-
083
[A7:A0]
T
ANCILLARY1 (read/write)
ANCILLARY2 (read-only)
ABLE
T
INTERRUPT (read-only)
ABLE
TIMER (read/write)
MPIO (read/write)
TIMERCNTL
INT2 [23:16]
INT3 [31:24]
TIMERMSB
INT1 [15:8]
TIMERLSB
4: D
INT0 [7:0]
MPIOSEL
R
8XMODE
MPIOINT
MPIOLVL
MPIOINV
MPIO3T
3: D
RESET
R
SLEEP
TIMER
EGISTER
REGA
DREV
REGB
DVID
EGISTER
EVICE
EVICE
C
C
ONFIGURATION
ONFIGURATION
Read-only Interrupt [7:0]
Read-only
Read-only
Read-only
Read/Write Timer Control
Reserved
Read/Write Timer LSB
Read/Write Timer MSB
Read/Write
Reserved
Write-only Self clear bits after executing Reset
Read/Write Sleep mode
Read-only Device revision
Read-only Device identification
Write-only
Read/Write MPIO interrupt mask
Read/Write MPIO level control
Read/Write MPIO output control
Read/Write MPIO input polarity select
Read/Write MPIO select
B
TIMERMSB
YTE
MPIOSEL
MPIOINT
SLEEP
INT3
3 [31:24]
R
R
R
EGISTERS SHOWN IN
EAD
16
EGISTERS SHOWN IN
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
/W
RITE
B
YTE
TIMERLSB
C
MPIOINV
OMMENT
RESET
REGB
INT2[
2 [23:16]
DWORD
BYTE
TIMER (reserved)
REGA (reserved)
B
ALIGNMENT
YTE
MPIO3T
ALIGNMENT
INT1
DVID
1 [15:8]
Bits 7-0 = 0xFF
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x01
Bits 7-0 = 0x28
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
Bits 7-0 = 0x00
RESET STATE
B
TIMERCNTL
YTE
8XMODE
MPIOLVL
XR17D158
REV. P1.0.0
DREV
INT0
0 [7:0]