Datasheet
73M2901CE Data Sheet DS_2901CE_031
6 Rev. 3.4
2 Pinout
The 73M2901CE is available in a 32-pin QFN or 32-pin TQFP package. Table 1 lists the pins for both
packages.
Table 1: 73M2901CE QFN and TQFP Pinout
Pin Name Pin Name Pin Name Pin Name
1 VND 9 RESET 17 VND 25 VPD
2 VPD 10 VPA 18 OSCOUT 26 RXD
3 DCD 11 TXAN 19 OSCIN 27 RXCLK
4 DSR 12 TXAP 20 VPD 28 DTR
5 CTS 13 VREF 21 NC 29 USR20
6 RTS 14 VBG 22 VND 30 RING
7 USR11 15 RXA 23 TXD 31 RELAY
8 USR10 16 VNA 24 TXCLK 32 RI
6
7
8
9
5
4
3
2
1
17
18
19
20
24
23
22
21
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
VND
VPD
DCD
DSR
CTS
RTS
USR11
USR10
TXCLK
TXD
VND
NC
VPD
OSCIN
OSCOUT
VND
RESET
VPA
TXAN
TXAP
VREF
VBG
RXA
VNA
TERIDIAN
73M2901CE
VPD
RI
RELAY
RING
USR20
DTR
RXCLK
RXD
Figure 1: 32-Pin QFN Pinout Figure 2: 32-Pin TQFP Pinout
6
7
8
9
5
4
3
2
1
17
18
19
20
24
23
22
21
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
VND
VPD
DCD
DSR
CTS
RTS
USR11
USR10
TXCLK
TXD
VND
NC
VPD
OSCIN
OSCOUT
VND
RESET
VPA
TXAN
TXAP
VREF
VBG
RXA
VNA
TERIDIAN
73M2901CE
VPD
RI
RELAY
RING
USR20
DTR
RXCLK
RXD