参数资料
型号: SCD223110QCD
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 256K bps, SERIAL COMM CONTROLLER, PQFP100
封装: METRIC, QFP-100
文件页数: 6/178页
文件大小: 2247K
代理商: SCD223110QCD
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
Datasheet
103
SCHR1 = XON
SCHR2 = XOFF
In addition to the SCDE and TxIBE bits, if the FCT bit (COR3) is set when flow control characters
are received, they are stripped from the data stream.
MNP4 Mode
SCHR1 holds the start character.
SCHR1 holds the escape character
8.2.9.3
Special Character Register 3 (SCHR3)
8.2.9.4
Special Character Register 4 (SCHR4)
Special characters 3 and 4 are used in conjunction with the ESCDE bit of COR3 to detect
characters in the receive data stream and to generate receive special character interrupts.
Note:
Special characters 3 and 4 are not stripped from the data stream if Flow Control Transparency
(FCT) mode is enabled.
MNP4/ARAP 1.0
ARAP 2.0
SCHR1
SYN 16 hex
SOH 01 hex
SCHR2
DLE 10 hex
ESC 1B hex
Register Name: SCHR3
Register Description: Special Character Register 3
Default Value: x’00
Access: Byte Read/Write
Intel Hex Address: x’1E
Motorola Hex Address: x’1D
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
User-defined special character
Register Name: SCHR4
Register Description: Special Character Register 4
Default Value: x’00
Access: Byte Read/Write
Intel Hex Address: x’1F
Motorola Hex Address: x’1C
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
User-defined special character
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