MT8889CP Zarlink Semiconductor, Inc., MT8889CP Datasheet - Page 23

• Manufacturer Part Number: MT8889CP
• Description: DTMF Transceiver, Integrated DTMF Transceiver with Adaptive Micro Interface
• Manufacturer: Zarlink Semiconductor, Inc.

Note:
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
t
DSW
is from data to DS falling edge; t
Figure 19 - MC6800/MC6802/MC6809 Timing Diagram
CSH
is from DS rising edge to CS rising edge
t
AS
Zarlink Semiconductor Inc.
t
AS
MT8889C
t
t
RWS
CSS
23
t
CSS
16 bytes of Addr
t
AH
t
AH
t
CSH
t
DDR
t
DSW
t
CSH
t
t
DHW
DHR
Data Sheet
t
RWH