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: 53/178页
文件大小: 2247K
代理商: SCD223110QCD
CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
146
Datasheet
8.6.5.2
A Transmit Buffer Address Register — Upper (ATBADRU)
8.6.5.3
B Transmit Buffer Address Register — Lower (BTBADRL)
8.6.5.4
B Transmit Buffer Address Register — Upper (BTBADRU)
These registers contain the start addresses of two external buffers that are used by the CD2231 to
transmit the next data blocks. They are written to by the host and copied internally to control the
data transfer from the memory to the CD2231 FIFO.
Register Name: ATBADRU
Register Description: Transmit Buffer ‘A’ 32-bit Address, upper word
Default Value: x’0000
Access: Word Read/Write
Intel Hex Address: x’52
Motorola Hex Address: x’50
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Binary address value, 32-bit address, bits 23:16
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Binary address value, 32-bit address, bits 31:24
Register Name: BTBADRL
Register Description: Transmit Buffer ‘B’ 32-bit Address, lower word
Default Value: x’0000
Access: Word Read/Write
Intel Hex Address: x’54
Motorola Hex Address: x’56
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Binary address value, 32-bit address, bits 15:8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Binary address value, 32-bit address, bits 7:0
Register Name: BTBADRU
Register Description: Transmit Buffer ‘B’ 32-bit Address, upper word
Default Value: x’0000
Access: Word Read/Write
Intel Hex Address: x’56
Motorola Hex Address: x’54
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Binary address value, 32-bit address, bits 23:16
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Binary address value, 32-bit address, bits 31:24
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