co561ad-d Connect One Ltd., co561ad-d Datasheet - Page 19

• Manufacturer Part Number: co561ad-d
• Description: The Co561ad-d Ichip Plus? Internet Controller? Is A Low-cost Intelligent Peripheral Device That Provides Internet Connectivity Solutions To A Myriad Of Embedded Devices.
• Manufacturer: Connect One Ltd.

5.2.2 Miscellaneous Signals
Signal
URTINT
-RES
LANINT
X1
X2
CLKO
GND
VCC
iChip CO561AD-D Datasheet
Type
O
O
P
P
I
I
I
I
Pin No.
67, 55
40
12
64
42
43
44
1
UART Interrupt: This pin is for debugging purpose only.
It is internally connected to a pull up resistor.
This pin should be left Not Connected.
RESET: When -RES is LOW, iChip Plus immediately
terminates its present activity and clears its internal
logic.
-RES must be held LOW for at least 1 ms after power
stabilizes.
iChip Plus begins fetching instructions approximately
6.5 CLKO periods after -RES going HIGH. This input is
provided with a Schmidt trigger to facilitate power-on
reset generation via an RC network.
LAN Interrupt. When high, indicates that the LAN
controller has information.
Crystal Input: This pin and the X2 pin provide
connections for a fundamental mode or third-overtone,
parallel-resonant crystal used by the internal oscillator
circuit.
To provide iChip Plus with an external clock source,
connect the source to the X1 pin and leave the X2 pin
unconnected.
Crystal Output: This pin and the X1 pin provide
connections for a fundamental mode or third-overtone,
parallel-resonant crystal used by the internal oscillator
circuit.
Clock Output: This pin supplies the internal clock to the
system and has the some frequency as X2.
Ground: Ground signal for iChip Plus.
Power Supply: This pin supplies power (+5V or +3.3V)
to iChip Plus.
Description
Pin Descriptions
5-4