参数资料
型号: CP2201-GM
厂商: Silicon Laboratories Inc
文件页数: 91/108页
文件大小: 0K
描述: IC ETH CTRLR SNGL-CHIP 28QFN
标准包装: 73
控制器类型: 以太网控制器,MAC/10Base-T
接口: 并行/串行
电源电压: 3.1 V ~ 3.6 V
电流 - 电源: 75mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-VFQFN 裸露焊盘
供应商设备封装: 28-QFN(5x5)
包装: 管件
产品目录页面: 627 (CN2011-ZH PDF)
配用: 336-1326-ND - KIT REF DESIGN PWR OVER ETHERNET
336-1316-ND - KIT EVAL FOR CP2201 ETH CTRLR
其它名称: 336-1313
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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