ox16cf950 ETC-unknow, ox16cf950 Datasheet - Page 26

• Manufacturer Part Number: ox16cf950
• Description: Cost Asynchronous Card
• Manufacturer: ETC-unknow

Register access notes:
Note 1: Requires LCR[7] = 0
Note 2: Requires ACR[7] = 0
Note 3: Requires that last value written to LCR was not 0xBF
Note 4: To read this register ACR[7] must be = 0
Note 5: To read this register ACR[6] must be = 0
Note 6: Requires ACR[7] = 1
Note 7: Only bits 0 and 1 of this register can be written
Note 8: To read this register ACR[6] must be = 1
Note 9: This register acts as a window through which to read and write regist e rs in the Indexed Control Register set
OXFORD SEMICONDUCTOR LTD.
Register
Register
9-bit mode
9-bit mode
9-bit mode
9-bit mode
To access these registers LCR must be set to 0xBF
Name
Name
ASR
XOFF1
XOFF2
ICR
TFL
XON1
XON2
RFL
EFR
3,8,9
1,6,7
3,6
6
Address
Address
010
100
101
110
111
001
011
100
101
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
7
control
Bit 7
Bit 7
CTS
flow
Idle
Tx
Table 22: 650 Compatible Registers
Table 23: 950 Specific Registers
control
Bit 6
Bit 6
FIFO
RTS
Flow
size
Data read/written depends on the value written to the SPR prior to
Special
detect
Bit 5
char
FIFO-
Number of characters in the transmitter FIFO
Bit 5
SEL
Number of characters in the receiver FIFO
the access of this register (see
Enhanced
Bit 4
mode
Special
Special Character 2
Special character 1
Special character 3
Special character 4
Detect
XOFF Character 1
XOFF Character 2
Bit 4
XON Character 1
XON Character 2
Char
Bit 3
Bit 3
DTR
OXCF950 DATA SHEET V1.1
Table 24
In-band flow control mode
Bit 2
Bit 2
RTS
)
Disabled
Remote
Bit 1
Bit 1
Tx
Disabled
Page 26
Bit 0
Bit 0
Tx