mt88l85anr1 Zarlink Semiconductor, mt88l85anr1 Datasheet - Page 25

• Manufacturer Part Number: mt88l85anr1
• Description: 3 V Integrated Dtmf Transceiver With Power-down And Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor

* microprocessor pins
* microprocessor pins
** RD must be high on the falling edge of CS for Intel Bus Timing
ALE*
RD
P0*
(RS0,
D0-D3)
P2 *
(Addr)
CS = ALE.Addr
WR
ALE*
WR
P0*
(RS0,
D0-D3)
P2 *
(Addr)
RD
CS = ALE.Addr
**
t
t
RDS
CH
t
AS
t
AS
A0-A7
A0-A7
Figure 19 - Intel Write Timing Diagram
Figure 18 - Intel Read Timing Diagram
t
AH
t
AH
t
CSS
t
CSS
Zarlink Semiconductor Inc.
MT88L85
A8-A15 Address
A8-A15 Address
25
t
DDR
t
Data
t
CL
t
DSW
CL
t
CSH
t
CSH
Data
t
DHR
t
DHW
t
CH
Data Sheet