mt88l89asr1 Zarlink Semiconductor, mt88l89asr1 Datasheet - Page 23

• Manufacturer Part Number: mt88l89asr1
• Description: 3 V Integrated Dtmf Transceiver With Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor

DS (E)
R/W
Read
AD3-AD0
(RS0, D0-D3)
Write
AD3-AD0
(RS0-D0-D3)
Addr *
non-mux
AS *
CS = AS.Addr
* microprocessor pins
t
DSS
Figure 17 - Motorola BUS Timing Diagram
t
AS
t
CL
t
AH
Addr
Addr
Zarlink Semiconductor Inc.
t
RWS
t
MT88L89
CSS
High Byte of Addr
23
t
DDR
t
CH
t
CSH
t
DSW
Data
t
Data
DHR
t
DHW
t
RWH
Data Sheet