mt8889csr1 Zarlink Semiconductor, mt8889csr1 Datasheet - Page 24

• Manufacturer Part Number: mt8889csr1
• Description: Integrated Dtmf Transceiver With Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor

MT8889C
Data Sheet
ALE*
t
CSS
WR
t
DSW
t
t
AS
AH
t
DHW
P0*
(RS0,
A0-A7
Data
D0-D3)
P2 *
A8-A15 Address
(Addr)
t
CSH
CS = ALE.Addr
* microprocessor pins
Figure 22 - 8031/8051/8085 Write Timing Diagram
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Zarlink Semiconductor Inc.