OXCF950_06 Datasheet, PDF (34/66 Pages) Oxford Semiconductor – low cost asynchronous 16-bit PC card or Compact Flash UART device

OXFORD SEMICONDUCTOR, INC.
OXCF950 rev B DATA SHEET
Register SPR R/W
Name Offset ¹⁰
Indexed Control Register Set
ACR
0x00
R/W
Bit 7
Addit-
ional
Status
Enable
CPR
0x01
R/W
TCR
0x02
R/W
CKS
0x03
R/W Tx 1x
Mode
TTL
0x04
R/W Unused
RTL
0x05
R/W Unused
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ICR
950
DTR definition and
Auto
Tx
Rx
Read Trigger
control
DSR Disable Disable
Enable Level
Flow
Enable
Control
Enable
5 Bit “integer” part of
3 Bit “fractional” part of
clock prescaler
clock prescaler
Unused
4 Bit N-times clock
selection bits [3:0]
Tx CLK BDOUT DTR 1x Rx 1x Disable
Receiver
Select on DTR Tx CLK Mode BDOUT
Clock Sel[1:0]
Transmitter Interrupt Trigger Level (0-127)
Receiver Interrupt Trigger Level (1-127)
FCL
0x06
R/W Unused
Automatic Flow Control Lower Trigger Level (0-127)
FCH
0x07
R/W Unused
ID1
0x08
R
ID2
0x09
R
ID3
0x0A
R
Automatic Flow Control Higher Trigger level (1-127)
Hardwired ID byte 1 (0x16)
Hardwired ID byte 1 (0xC9)
Hardwired ID byte 1 (0x50)
REV
0x0B
R
Hardwired revision byte (0x08)
CSR
0x0C
W
Writing 0x00 to this register will
reset the UART (Except the CKS and CKA registers)
NMR
0x0D R/W
Unused
9^th Bit
9^th Bit
9^th Bit
9^th Bit 9^th-bit Int. 9 Bit
SChar 4 Schar 3 SChar 2 SChar 1
En.
Enable
MDM
0x0E
R/W
Δ DCD Trailing Δ DSR Δ CTS
Unused
Wakeup RI edge Wakeup Wakeup
disable disable disable disable
RFC
0X0F
R FCR[7] FCR[6] FCR[5] FCR[4] FCR[3] FCR[2] FCR[1] FCR[0]
GDS
0X10
R
Unused
Good
Data
Status
DMS
0x11
R/W Force
Force
Internal Internal
internal internal
Unused
TxRdy RxRdy
TxRdy RxRdy
status status
inactive inactive
(R)
(R)
PIDX
0x12
R
Hardwired Port Index ( 0x00 )
CKA
0x13
R/W
Res.
Res.
Invert
Invert
Invert
Unused
Write ‘0’ Write ‘0’ DTR internal internal
signal tx clock rx clock
MDR
0xFE
R/W
Cfg
Unused
Paging
control
Table 27: Indexed Control Register Set
DS-0027 Feb 06
External—Free Release
Page 34 of 66