XE924 Просмотр технического описания (PDF) - Xecom
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XE924 Datasheet PDF : 19 Pages
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XE924 BLOCK DIAGRAM
Antenna
Comm
Controller
ROM
900 MHz
Transceiver
2400 BPS
MODEM
Tip
Ring
Communications
Controller
Serial IF
Modem
Serial IF
XE924 PIN CONFIGURATION
RGND
1
RESERVED
2
RGND
3
RESERVED
4
RGND
5
RESERVED
6
RGND
7
RESERVED
8
RGND
9
RGND
10
RESERVED
11
RESERVED
12
RESERVED
13
VDD
14
DGND 15
/RST_VPP
16
VCC
17
RA3
18
/DSR
19
/MDM_DSR
20
RXD
21
/MDM_RXD
22
TXD
23
/MDM_TXD
24
/RI
25
/MDM_RI
26
XE924
52 RGND
51 RESERVED
50 RGND
49 RESERVED
48 RGND
47 RESERVED
46 RGND
45 RESERVED
44 RGND
43 RGND
42 RF_PDN
41 RF_TXDATA
40 RF_RXDATA
39 RGND
38 /CTS
37 /MDM_CTS
36 /DCD
35 /MDM_DCD
34 /DTR
33 /MDM_DTR
32 /RTS
31 RESERVED
30 RESERVED
28 TIP
27 RING
XECOM
(3)
XE924
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