u3745bm ATMEL Corporation, u3745bm Datasheet - Page 2

• Manufacturer Part Number: u3745bm
• Description: Receiver
• Manufacturer: ATMEL Corporation

System Block Diagram
Pin Configuration
2
1 Li cell
Keys
U3745BM
M44Cx9x
Encoder
Remote control transmitter
U2745B
Figure 1. Pinning SO20
UHF ASK/FSK
XTO
Power
PLL
amp.
VCO
Antenna Antenna
MIXVCC
LNAGND
LNA_IN
CDEM
AVCC
AGND
DGND
ASK
NC
NC
10
1
3
5
2
4
6
7
U3745BM
9
8
LNA
U3745BM
Remote control receiver
Demod.
IF Amp
UHF ASK
VCO
PLL
17
20
19
18
15
14
13
12
11
16
DVCC
Data
interface
POUT
MODE
XTO
LFGND
DATA
ENABLE
LF
LFVCC
TEST
XTO
1...3
µC
4663A–RKE–06/03