参数资料
型号: CP2201-GM
厂商: Silicon Laboratories Inc
文件页数: 49/108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
45
10.5. Disabling Secondary Device Functions
The LED Drivers, weak pull-ups, and VDD Monitor can be disabled to minimize power consumption. The typical
supply current for the VDD Monitor is specified in Table 13 on page 42. Disabling weak pull-ups will save current if
the MOTEN and MUXEN pins are tied to ground, but will cause the address and data pins to float (causing
undefined device behavior and increased power consumption) if they are not externally driven or pulled to a
defined logic level using pull-up or pull-down resistors. The internal weak pull-ups should not be disabled unless all
digital pins are externally driven to a logic high or logic low state.
Register 15. IOPWR: Port Input/Output Power Register
Bits 7–4: UNUSED. Read = 0000b, Write = don’t care.
Bit 3
ACTEN: Activity LED Enable
0: Activity LED disabled.
1: Activity LED enabled.
Bit 2
LINKEN: Link LED Enable (Link/Activity LED on CP2201)
0: Link (Link/Activity) LED disabled.
1: Link (Link/Activity) LED enabled.
Bit 1:
WEAKD: Weak Pull-up Disable
0: Weak pull-ups are enabled.
1: Weak pull-ups are disabled.
Bit 0:
Reserved. Read = 0b; Must write 0b.
R/W
Reset Value
ACTEN
LINKEN
WEAKD
Reserved 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Address:
0x70
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