CD2231 Intel Corporation, CD2231 Datasheet - Page 107
CD2231
Manufacturer Part Number
CD2231
Description
CD2231 Intelligent Two-channel Lan And Wan Communications Controller
Manufacturer
Intel Corporation
Datasheet
1.CD2231.pdf
(178 pages)
- Current page: 107 of 178
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8.2.14.3
8.2.15
8.2.15.1
8.2.15.2
Datasheet
Register Name: TSMAP3
Register Description: Special Mapped Transmit Character 3
Default Value: x’00
Access: Byte Read/Write
Register Name: TXACCM0
Register Description: Transmit Async Control Character Map 0
Default Value: x’00
Access: Byte Read/Write
Register Name: TXACCM1
Register Description: Transmit Async Control Character Map 1
Default Value: x’00
Access: Byte Read/Write
Char. 07
Char. 0F
Bit 7
Bit 7
Bit 7
Transmit Special Mapped Character 3 (TSPMAP3)
The three TSPMAP registers are used to provide control character escape processing on characters
outside the 00–1f (hex) range. Each of these three registers are scanned to match the character
currently being transmitted; if a match occurs, that character is ‘escaped’ before transmission. If a
zero value is found in any of them, the scan is terminated. (Zero is already covered in the standard
TXACCM.)
Transmit Async Control Character Maps — PPP Mode Only
Transmit Async Control Character Map 0 (TXACCM0)
Transmit Async Control Character Map 1 (TXACCM1)
Char. 0E
Char. 06
Bit 6
Bit 6
Bit 6
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
Char. 0D
Char. 05
Bit 5
Bit 5
Bit 5
User-defined mapped transmit character
Char. 04
Char. 0C
Bit 4
Bit 4
Bit 4
Char. 03
Char. 0B
Bit 3
Bit 3
Bit 3
Char. 02
Char. 0A
Bit 2
Bit 2
Bit 2
Motorola Hex Address: x’1F
Motorola Hex Address: x’2E
Motorola Hex Address: x’1E
Char. 01
Char. 09
Bit 1
Bit 1
Bit 1
Intel Hex Address: x’1C
Intel Hex Address: x’2D
Intel Hex Address: x’1D
Char. 00
Char. 08
Bit 0
Bit 0
Bit 0
107
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