EM91240AP EMC [ELAN Microelectronics Corp], EM91240AP Datasheet - Page 14

• Manufacturer Part Number: EM91240AP
• Description: TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
• Manufacturer: EMC [ELAN Microelectronics Corp]

<Note>L=LSB,M=MSB, sT=START bit time, spT=STOP bit time
* This specification are subject to be changed without notice.
KEY IN
XMUTE
KEY IN
HKS
SDO
DTMF
HKS
KT
HFO
SDO
PM
PO
HF
HF
Figure 8. SDO operating timing
Tdb
HF
Figure 9. HF operating timing
TONE/PULSE SWITCHABLE DIALER WITH LCD INTERFACE
sT
0 1
sT b0
HF
0
L
b1 b2 b3 b4 b5 spT spT
1
HF
Tbit
2
0
0
0 0
HF
M
0
1
HF
Hi-impedance
EM91240 SERIES
Hi-impedance
10.1.1997
14