u2745b ATMEL Corporation, u2745b Datasheet - Page 3

• Manufacturer Part Number: u2745b
• Description: Uhf Ask Transmitter
• Manufacturer: ATMEL Corporation

Pin Configuration
Figure 3. Pinning SSO16
Pin Description
4734A–RKE–11/03
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
PWRGND2
PWRGND1
PWRVCC
PWRSET
Symbol
LFVCC
LFGND
XTO1
VCC
GND
GND
ASK
ANT
CLK
NC
EN
LF
Function
Enable input
Supply voltage
Ground
VCO ground
Circuit PLL loop
Not connected
Connection for crystal
Power GND2
Power GND1
Ground
Modulation input ASK
Clock output
Supply voltage VCO
RF output
Supply voltage power amplifier
Applied to VCC
LFGND
LFVCC
GND
VCC
CLK
ASK
EN
LF
1
3
5
8
2
4
6
7
U2745B
16
15
14
13
12
11
10
9
ANT
GND
PWRVCC
PWRSET
XTO1
PWRGND1
PWRGND2
NC
U2745B
3