73M2901 Datasheet, PDF (14/17 Pages) TDK Electronics – Advanced Single Chip Modem

73M2901/3.3V
Advanced Single
Chip Modem
32 PIN PLCC PIN-OUT
PIN
PIN NAME
1
ASRCH
2
RING
3
RELAY
4
RI
5
VND
6
VPD
7
DCD
8
DSR
9
CTS
10
RTS
11
USR11
12
USR10
13
RESET
14
HBDEN
15
VPA
16
TXAN
44 PIN TQFP PIN-OUT
PIN PIN NAME
1 N/C
2 VPD
3 DCD
4 DSR
5 CTS
6 RTS
7 USR11
8 USR10
9 RESET
10 N/C
11 VND
PIN PIN NAME
12 VPD
13 N/C
14 N/C
15 HBDEN
16 VPA
17 TXAN
18 TXAP
19 VREF
20 VBG
21 RXA
22 VNA
PIN
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PIN NAME
TXAP
VREF
VBG
RXA
VNA
VND
OSCOUT
OSCIN
VPD
VND
TXD
TXCLK
VPD
RXD
RXCLK
DTR
PIN PIN NAME
23 N/C
24 VND
25 OSCOUT
26 OSCIN
27 VPD
28 VND
29 N/C
30 TXD
31 TXCLK
32 N/C
33 VPD
PIN PIN NAME
34 N/C
35 RXD
36 RXCLK
37 DTR
38 ASRCH
39 RING
40 RELAY
41 N/C
42 N/C
43 RI
44 VND
14