參數(shù)資料
型號： CN8223EPF
英文描述： ATM/SONET TRANSCEIVER|CMOS|QFP|160PIN|PLASTIC
中文描述： 的ATM / SONET的收發(fā)器|的CMOS | QFP封裝| 160PIN |塑料
文件頁數(shù)： 103/161頁
文件大?。?/td> 1865K
代理商： CN8223EPF
CN8223
3.0 Registers
ATM Transmitter/Receiver with UTOPIA Interface
3.4 Transmit Control Registers
100046D
Conexant
3-17
0x08
—
TX_RATE_23 (Transmit Rate Control Register)
The TX_RATE_23 register is located at address 0x08. Each 8-bit field controls the maximum transmission rate
for ports 3 or 2. These fields are used to control the percentage of the total line rate allocated to each of the four
FIFO transmit ports. Setting these fields to 0 stops transmission on the port. Setting to 0xFF allows the
maximum available rate. Transmit rate control is described in
Section 2.7.3
.
0x09
—
TX_RATE_01 (Transmit Rate Control Register)
The TX_RATE_01 register is located at address 0x09. Each 8-bit field controls the maximum transmission rate
for ports 1 or 0. These fields are used to control the percentage of the total line rate allocated to each of the four
FIFO transmit ports. Setting these fields to 0 stops transmission on the port. Setting to 0xFF allows the
maximum available rate. Transmit rate control is described in
Section 2.7.3
.
0x0A
—
TX_IDLE_12 (Transmit Idle Header Register)
The TX_IDLE_12 register is located at address 0x0A. This register sets the ATM idle cell header octets 1 and 2.
0x0B
—
TX_IDLE_34 (Transmit Idle Header Register)
The TX_IDLE_34 register is located at address 0x0B. This register sets the ATM idle cell header octets 3 and 4.
Bit
Field
Size
Name
Description
15
–
8
8
Rate Value-Port3
Maximum rate: 0x00 to 0xFF
7
–
0
8
Rate Value-Port2
Maximum rate: 0x00 to 0xFF
Bit
Field
Size
Name
Description
15
–
8
8
Rate Value-Port1
Maximum rate: 0x00 to 0xFF
7
–
0
8
Rate Value-Port0
Maximum rate: 0x00 to 0xFF
Bit
Field
Size
Name
Description
15
–
8
8
Header Octet 1
Normally written to 00.
7
–
0
8
Header Octet 2
Normally written to 00.
Bit
Field
Size
Name
Description
15
–
8
8
Header Octet 3
Normally written to 00.
7
–
0
8
Header Octet 4
Normally written to 01.
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