MT8889CC MITEL [Mitel Networks Corporation], MT8889CC Datasheet - Page 17
MT8889CC
Manufacturer Part Number
MT8889CC
Description
Integrated DTMFTransceiver with Adaptive Micro Interface
Manufacturer
MITEL [Mitel Networks Corporation]
Datasheet
1.MT8889CC.pdf
(18 pages)
- Current page: 17 of 18
- Download datasheet (360Kb)
DS
R/W
Read
AD3-AD0
(RS0, D0-D3)
Write
AD3-AD0
(RS0-D0-D3)
Addr *
non-mux
AS *
CS = AS.Addr
* microprocessor pins
t
DS
Q clk*
A0-A15
(RS0)
R/W(read)
Read Data
(D3-D0)
R/W (write)
Write data
(D3-D0)
CS = (E + Q).Addr [MC6809]
CS = VMA.Addr [MC6800, MC6802]
*microprocessor pin
DSW
is from data to DS falling edge; t
Figure 18 - MC68HC11 Bus Timing (with multiplexed address and data buses)
Figure 17 - MC6800/MC6802/MC6809 Timing Diagram
CSH
t
AS
is from DS rising edge to CS rising edge
t
AH
t
AS
Addr
Addr
t
t
RWS
AS
t
CSS
High Byte of Addr
t
t
RWS
CSS
t
CSS
16 bytes of Addr
t
DDR
t
AH
t
CSH
MT8889C/MT8889C-1
t
AH
t
CSH
t
DDR
t
t
DSW
DSW
t
CSH
t
Data
Data
DHR
t
DHW
t
RWH
t
t
DHW
DHR
t
RWH
4-123
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