CO2144/48LI-3 Connect One, CO2144/48LI-3 Datasheet - Page 37

• Manufacturer Part Number: CO2144/48LI-3
• Description: Ethernet ICs CO2144 LFBGA FORM FACTOR
• Manufacturer: Connect One

Specifications of CO2144/48LI-3

• Ethernet Connection Type: 10/100 BaseT LAN
• Maximum Power Dissipation: 200 mW
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Controllers
• Standard Supported: 802.11b/g
• Data Rate: 2.4 Kbps to 3 Mbps
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 1.2 V
• Maximum Operating Temperature: + 85 C
• Package / Case: LQFP-144
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Connect One
Hardware Interface
6 Hardware Interface
6.1 Power Connection
iChip supports a single 3.3V supply mode. The internal regulator input is connected to the
3.3V source and its 1.2V output feeds VDDCORE and VDDPLL, as shown in Figure 6-1.
When ONREG=0, the internal power regulator is disabled and VDDCORE and VDDPLL need
to be connected to an external power supply of 1.2V. When ONREG=1, the internal power
regulator is enabled and a decoupling capacitor has to be connected to pin 5 (64PP), pin 7
(128PP), or pin D4 (144PP).
1.2V
Figure 6-1: iChip Power Connection
6.2 Crystal Connection
The typical crystal connection is illustrated in the figure below.
Figure 6-2: Crystal Connection
iChip CO2064/CO2128/CO2144 Data Sheet
6-1