參數(shù)資料
型號： CP2200-GQ
廠商： Silicon Laboratories Inc
文件頁數(shù)： 56/108頁
文件大?。?/td> 0K
描述： IC ETH CTRLR SNGL-CHIP 48TQFP
標準包裝： 250
控制器類型： 以太網(wǎng)控制器，MAC/10Base-T
接口： 并行/串行
電源電壓： 3.1 V ~ 3.6 V
電流 - 電源： 75mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 托盤
產(chǎn)品目錄頁面： 627 (CN2011-ZH PDF)
配用： 336-1316-ND - KIT EVAL FOR CP2201 ETH CTRLR
其它名稱： 336-1312
CP2200/1
Rev. 1.0
51
Register 18. TXCN: Transmit Control Register
Register 19. TXBUSY: Transmit Busy Indicator
Bit 7:
OVRRIDE: Default Override
0: Settings for bits 5, 4, 3, 2, and 1 in TXCN will be ignored. MAC settings will take effect.
1: Settings for bits 5, 4, 3, 2, and 1 in TXCN will be applied. MAC settings will be overridden.
Bit 6:
UNUSED. Read = 0b, Write = don’t care.
Bit 5:
CRCENOV: CRC Enable
0: Disable CRC append on transmission.
1: Enable CRC append on transmission.
Bit 4:
PADENOV: Pad Enable
0: Disable padding of short frames.
1: Enable padding of short frames.
Bit 3:
TXPPKT: Transmit a PAUSE control packet
0: Normal packet transmission. Packet data will be obtained from the transmit buffer.
1: A PAUSE control packet with the value of TXPAUSEH:TXPAUSEL will be transmitted. Data in the
transmit buffer will not be accessed. PAUSE control packets are only valid in full-duplex mode.
Bit 2:
BCKPRES: Apply Back Pressure
0: Normal packet transmission. Back pressure will not be applied.
1: Back pressure will be applied on transmission (only valid in half duplex mode).
Bit 1:
FDPLXOV: Full Duplex Operation
Note: The transmit interface, MAC, and physical layer must be configured to the same duplex mode.
0: Transmit interface operates in half duplex mode.
1: Transmit interface operates in full duplex mode.
Bit 0:
TXGO: Transmit Packet
Set this bit to ‘1’ to begin transmission of a packet.
Note: TXGO should not be set to one if both TXSTART and TXEND are zero (i.e., no data has been
added to the buffer).
R/W
W
Reset Value
OVRRIDE
—
CRCENOV PADENOV
TXPPKT BCKPRES FDPLXOV
TXGO
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Address:
0x53
Bits 7–1: UNUSED. Read = 0000000b, Write = don’t care.
Bit 0:
TXBUSY: Packet Transmit Status
0: Packet Transmit is not in progress.
1: Packet Transmit is in progress.
R
RR
RRR
RR
Reset Value
—
TXBUSY 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Address:
0x54
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