MT3170B/71B, MT3270B/71B, MT3370B/71B
Data Sheet
C1
DTMF/CP Input
X1
COMPONENTS LIST:
C1 = 0.1 µF ± 10 %
X1 = Crystal or Resonator (4.194304 MHz)
1 INPUT
VDD 8
MT327xB
2 OSC2
3
OSC1
7
ESt/DStD
ACK 6
4
VSS
5
SD
VDD
To microprocessor or
microcontroller
Figure 3 - Application Circuit for MT327xB
7
Zarlink Semiconductor Inc.