MT8889C Mitel Semiconductor, MT8889C Datasheet - Page 18

• Manufacturer Part Number: MT8889C
• Description: Integrated DTMFTransceiver with Adaptive Micro Interface
• Manufacturer: Mitel Semiconductor

MT8889C/MT8889C-1
4-124
* 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 20 - 8031/8051/8085 Write Timing Diagram
Figure 19 - 8031/8051/8085 Read 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