co711ag Connect One Ltd., co711ag Datasheet - Page 21

• Manufacturer Part Number: co711ag
• Description: Ichip? Co710ag And Ichipsec? Co711ag Internet Controllers? Are High-performance, Firmware-based Intelligent Peripheral Devices That Provide Internet Connectivity Solutions For A Wide Range Of Embedded Devices.
• Manufacturer: Connect One Ltd.

Connect One
6.2 iChip Pin Functional Descriptions
6.2.1 Local BUS Signals
A[20:0]
D[15:0]
-BHE
-RD
-WR
-WAIT
iChip CO710AG/iChipSec CO711AG Data Sheet
Signal
Type
O/I
O
O
O
O
I
G8,G2,G1,
D3,C1,D7,
K9,K8,H7,
E7,D2,D1,
L7,F5,H4,
G6,F2,F1,
J5,G5,H5,
L1,J3,K1,
C5,B1,B2
J8,F7,G7,
F6,J6,H6,
J2,J9,H8,
Pin No.
G4
A3
C9
B5
E6
Address BUS: These pins supply addresses to the
system.
Data BUS: These pins supply data to/from the
system.
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
p
READ: This pin indicates that iChip is performing
a read cycle.
WRITE: This pin indicates that iChip is
performing a write cycle.
WAIT: when this pin is LOW, the CPU adds a wait
state to each memory cycle. This pin should be
pulled up to VDDi/o.
-BHE
0
1
0
1
ins are encoded as shown in the table below.
A0
0
0
1
1
Type of BUS cycle
Word Transfer
Even Byte Transfer
Odd Byte Transfer
N/A
Description
Pin Descriptions
6-2