MT8889CC_CC-1

Manufacturer Part NumberMT8889CC_CC-1
Description6V 10mA integrated DTMF transceiver with adaptive micro interface. For paging systems, repeater systems/mobile radio, credit card systems, personal computers, interconnect dialers
ManufacturerMitel Semiconductor
MT8889CC_CC-1 datasheet
 


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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
Figure 17 - MC6800/MC6802/MC6809 Timing Diagram
t
is from data to DS falling edge; t
DSW
CSH
DS
R/W
t
Read
AD3-AD0
(RS0, D0-D3)
Write
AD3-AD0
(RS0-D0-D3)
Addr *
non-mux
AS *
CS = AS.Addr
* microprocessor pins
Figure 18 - MC68HC11 Bus Timing (with multiplexed address and data buses)
t
RWS
16 bytes of Addr
t
CSS
t
AH
t
AS
t
AS
t
CSS
is from DS rising edge to CS rising edge
t
RWS
t
DDR
AS
Addr
Addr
t
t
AH
CSH
High Byte of Addr
t
CSS
MT8889C/MT8889C-1
t
RWH
t
DDR
t
DHR
t
t
DSW
DHW
t
CSH
t
AH
t
CSH
t
RWH
t
DHR
Data
Data
t
t
DSW
DHW
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