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: 60/178页
文件大小: 2247K
代理商: SCD223110QCD
CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
152
Datasheet
8.6.5.14
Transmit Current Buffer Address Register — Lower (TCBADRL)
8.6.5.15
Transmit Current Buffer Address Register — Upper (TCBADRU)
These registers contain the address of the current DMA buffer being used for transmit data; this
address is updated at the end of transmit data transfers. In the case of a bus error during transmit
data transfer, this register contains the start address of the transfer causing the bus error.
8.7
Timer Registers
8.7.1
Timer Period Register (TPR)
Register Name: TCBADRL
Register Description: Current Transmit Buffer Address, lower word
Default Value: x’0000
Access: Word Read Only
Intel Hex Address: x’38
Motorola Hex Address: x’3A
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: TCBADRU
Register Description: Current Transmit Buffer Address, upper word
Default Value: x’0000
Access: Word Read Only
Intel Hex Address: x’3A
Motorola Hex Address: x’38
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Binary address value, 32-bit address, bits 31:24
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Binary address value, 32-bit address, bits 23:16
Register Name: TPR
Register Description: Timer Period
Default Value: x’FF
Access: Byte Read/Write
Intel Hex Address: x’D8
Motorola Hex Address: x’DA
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Binary value
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