W55RFS27T1B Datasheet, PDF (6/15 Pages) Winbond – SUPER-REGENERATION RF TRANSMITTER

W55RFS27T1B DataSheet
System Description
2.1 W55RFS27T1B System Block Diagram
IDn
CKSEL
X1
X2
Oscillation
S1
n
(27~49MHz)
S2
Encoder
Control
$TXD
x
S3
Circuit
$ENB
S4
POR
PA
ANT
VDD GND TEST RESET
TXOUT
2.2 W55RFS27T1B Functional Description
W55RFS27T1B provides two operation
modes for convenient remote control product
development, named Manual-mode and uC-mode.
The Manual-mode provides a powerful baseband
command encoder, which perform 6-function
binary data encode and, modulate with the on-chip
RF power amplifier to transmit control command.
The control function can be at most to 6 functions,
Forward, Backward, Left-turn, Right-turn for
6
Revision: A3.0
Publish Date: Feb. 2010