co120sq Connect One Ltd., co120sq Datasheet - Page 20

• Manufacturer Part Number: co120sq
• Description: The Ichip? Co120sq Internet Controller? Is A High-performance, Firmware-based Intelligent Peripheral Device That Provides Internet Connectivity Solutions For A Wide Range Of Embedded Devices.
• Manufacturer: Connect One Ltd.

Signal
Z[3]
GND
GND_C1
GND_C2
GND_C3
GND_R
VDD
VDD_R
NC
SLEEP_DIS
iChip CO120SQ Data Sheet
Type
TWD
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P
P
I
4, 8, 10, 11, 12,
14, 15, 16, 18,
21, 25, 28, 30,
39, 44, 50, 57,
13, 22, 42, 43 NC (Not Connected) pins.
Pin No.
9, 17, 29, 38,
59
55
26
27
58
51
23
20
7
Description
Two-wire data.
Ground: iChip Ground signal.
Must connect this pin with 1uF capacitor to GND (pin
25). For internal 1.8V power supply.
Must connect this pin with 33pF and 10uF capacitors
to GND (pin 28). For internal 1.8V power supply.
Must connect this pin with 33pF and 10uF capacitors
to GND (pin 57). For internal 1.8V power supply.
Must connect this pin with 10K resistor to GND.
Power Supply: These pins supply power (+3.3V) to
iChip’s I/O pins.
Must connect this pin with 10K resistor to VDD.
Sleep Disable: When this pin is HIGH, Sleep Mode
is Disabled. When this pin is LOW, iChip shall enter
Sleep Mode according to its settings and
configuration. Not implemented.
Pin Descriptions
6-8