U3742BM-M3FL ATMEL [ATMEL Corporation], U3742BM-M3FL Datasheet - Page 3
U3742BM-M3FL
Manufacturer Part Number
U3742BM-M3FL
Description
UHF ASK/FSK RECEIVER
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.U3742BM-M3FL.pdf
(32 pages)
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Pin Configuration
Figure 3. Pinning SO20
Pin Description
4735A–RKE–11/03
Pin
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
FSK/ASK
LNAGND
MIXVCC
Symbol
LNA_IN
LFVCC
LFGND
CDEM
AGND
DGND
SENS
AVCC
DVCC
XTO
NC
LF
Function
Sensitivity-control resistor
Selecting FSK/ASK
Low: FSK, High: ASK
Lower cut-off frequency of the data filter
Analog power supply
Analog ground
Digital ground
Power supply mixer
High-frequency ground LNA and mixer
RF input
Not connected
Power supply VCO
Loop filter
Ground VCO
Crystal oscillator
Digital power supply
FSK/ASK
LNAGND
MIXVCC
LNA_IN
CDEM
AVCC
AGND
DGND
SENS
NC
10
1
3
5
2
4
6
7
9
8
17
20
19
18
15
14
13
12
11
16
DVCC
RSSI
MODE
XTO
LFGND
DATA
ENABLE
LF
LFVCC
TEST
U3742BM
3
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