參數(shù)資料
型號(hào): CP2200-GQ
廠商: Silicon Laboratories Inc
文件頁數(shù): 91/108頁
文件大?。?/td> 0K
描述: IC ETH CTRLR SNGL-CHIP 48TQFP
標(biāo)準(zhǔn)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
83
Indirect Register 2. MACCF: MAC Configuration Register (Continued)
Bit 3:
PHEADER: Proprietary Header Select Bit
0: No proprietary header exists on the front of IEEE 802.3 frames.
1: Four bytes of proprietary header information exist on the front of IEEE 802.3 frames. These bytes
will be ignored by the CRC function.
Bit 2:
Reserved. Read = 0b; Must write 0b.
Bit 1:
LENCHK: Frame Length Checking Enable Bit
0: Frame length checking is disabled.
1: Transmit and receive frame lengths are compared to the Length/Type field. If the Length/Type
field represents a length then the check is performed. Mismatches are reported in the Transmit/
Receive status vectors.
Bit 0:
FLLDPLX: Full-Duplex Mode Enable Bit
0: MAC operates in half-duplex mode.
1: MAC operates in full-duplex mode.
Table 21. Pad Operation
PADMD1[7] PADMD0[6] PADEN[5] CRCEN[4]
Action
x
0
No padding added on transmitted packets,
check CRC
x
0
1
No padding added on transmitted packets,
append CRC
0
1
Pad short frames to 60 bytes, append CRC
x
1
Pad short frames to 64 bytes, append CRC
1
0
1
Auto Detect Tagged VLAN Frames
(IEEE802.1q)
If untagged: Pad to 60 bytes, append CRC
If tagged: Pad to 64 bytes, append CRC
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