co661al-s Connect One Ltd., co661al-s Datasheet - Page 19

• Manufacturer Part Number: co661al-s
• Description: The Co661al-s Ichip? Internet Controller? Is Part Of A Family Of Intelligent Peripheral Devices That Provides Internet Connectivity Solutions To A Myriad Of Embedded Devices.
• Manufacturer: Connect One Ltd.

5.2 iChip Pin Functional Descriptions
5.2.1 Local BUS Signals
A[18:0]
D[15:0]
-BHE
Note:
iChip CO661AL-S Datasheet
Signal
1: Currently the local BUS is not in use in the CO661AL-S.
Type
O/I
O
O
49, 47, 51,
48, 53, 56,
54, 38, 37,
33, 46, 36,
35, 34, 19,
25, 10, 11,
23, 13, 16,
39, 8, 45,
17, 22, 9,
24, 2, 3,
Pin No.
4, 5, 6,
57
31
7
1
Address BUS: These pins supply addresses to the
system.
These pins should be left Not Connected.
Data BUS: These pins supply data to/from the system.
These pins should be left Not Connected.
BUS HIGH Enable: This pin and the least-significant
address bit (A0) indicate to the system which bytes of
the data BUS (upper, lower, or both) participate in a
BUS cycle. The -BHE and A0 pins are encoded as
shown in the table below.
This pin should be left Not Connected.
-BHE
0
1
0
1
AD0
0
0
1
1
Type of BUS cycle
Word Transfer
Even Byte Transfer
Odd Byte Transfer
N/A
Description
Pin Descriptions
5-2