STC4130-I ETC2 [List of Unclassifed Manufacturers], STC4130-I Datasheet - Page 19

• Manufacturer Part Number: STC4130-I
• Description: Synchronous Clock for SETS
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

Motorola Bus
In Motorola mode, the device will interface to 680xx type processors. The BUS_CS, BUS_RDB, BUS_A(6-0),
BUS_AD(7-0), and BUS_RDY pins are used, corresponding to CS, R/W, A, AD, and RDY, respectively. Timing
is as follows:
Motorola Bus Timing
R/W
CS
RDY
AD
A
Symbol
t
t
t
t
t
t
RDY1
RDYh
t
t
RWh
t
RWs
RDY
CSd
t
t
Dd1
Dd2
CS
As
Ah
t
© Copyright 2006 The Connor-Winfield Corp.
As
t
RWs
CS low time
CS minimum high time between reads/writes
Read/write setup time
Read/write hold time
Address setup
Address hold
Data valid delay from CS low
Data high-z delay from CS low
CS low to RDY high delay
RDY high time
CS hold after RDY low
t
RDYd1
Table 6: Motorola Bus Read Timing
t
Figure 11: Motorola Bus Read Timing
Dd1
Data Sheet #: TM084
Address
Description
t
RDY
t
CS
Data
All Rights Reserved
t
RDYh
Page 19 of 44
Synchronous Clock for SETS
Min
50
50
10
37
0
0
0
0
t
RDYd2
t
Ah
Specifications subject to change without notice
t
Dd2
Max
50
10
13
50
t
RWh
t
Rev: P02
CSd
Unit
STC4130
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
Data Sheet
Date: 12/5/06