co120sq Connect One Ltd., co120sq Datasheet - Page 17

• 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.

6.1.2.3
Signal
D[7-0]
A[4-0]
-RD
-WR
-LANINT
Legend:
iChip CO120SQ Data Sheet
Local Bus Signals (LAN Connection)
Type
IO
O
O
O
I
O
I(PU) -
I(PD) -
I(ST)
I/O
I/OD
P
I
Pin No.
40, 37, 36,
35, 34, 33,
-
-
-
-
-
-
3, 62, 61,
60, 56
32, 31
48
5
6
Input
Output
Input with 100k pull-up resistor
Input with 100k pull-down resistor
Schmitt trigger input
Input / Output
Input / Output Open Drain
Power signal
Description
Data BUS: These pins supply data to/from the iChip.
These pins should be connected to the data BUS of
the LAN controller.
Address BUS: These pins supply addresses to the
iChip. These pins should be connected to the address
BUS of the LAN controller.
READ: This pin indicates that iChip is performing a
read cycle.
This pin should be connected to -RD on the LAN
controller.
WRITE: This pin indicates that iChip is performing a
write cycle.
This pin should be connected to -WR on the LAN
controller.
LAN Interrupt. When HIGH, this signal indicates that
the LAN controller has information for iChip.
Pin Descriptions
6-5