MT8889 Zarlink Semiconductor, Inc., MT8889 Datasheet - Page 18
MT8889
Manufacturer Part Number
MT8889
Description
Integrated DTMF Transceiver with Adaptive Micro Interface
Manufacturer
Zarlink Semiconductor, Inc.
Datasheet
1.MT8889.pdf
(31 pages)
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MT8889C
18
* microprocessor pins
* microprocessor pins
ALE*
RD
P0*
(RS0,
D0-D3)
P2 *
(Addr)
CS = ALE.Addr
ALE*
WR
P0*
(RS0,
D0-D3)
P2 *
(Addr)
CS = ALE.Addr
t
AS
Figure 19 - 8031/8051/8085 Read Timing Diagram
Figure 20 - 8031/8051/8085 Write Timing Diagram
t
AS
A0-A7
A0-A7
t
AH
t
AH
t
CSS
t
CSS
A8-A15 Address
A8-A15 Address
t
DDR
Data
t
DSW
t
CSH
t
CSH
Data
t
DHR
t
DHW