W55RFS27T1B DataSheet

5

Revision: A3.0

Publish Date: Feb. 2010

- 5 -

Revision A1

1.2.3 uC-Mode & Manual Mode (Baseband Data Rate) Setup

(ID1,ID0)

Function

Encoder Time Base

(0,0)

Data Rate= 2.5KBPS

T=200us

(0,1)

Data Rate= 1.25KBPS

T=400us

(1,0)

Data Rate= 0.625KBPS

T=800us

(1,1)

uC- Mode

External controlled

(Note: W55RFS27R1B Data Rate=1.25KBPS; W55RFS27R1A Data Rate=2.5KBPS)

1.2.4 Baseband Encoder Control Function Description

Input pin name

Connect to

6-Function

(TEST=0)

4-Function

(TEST=1)

S1

Default (pull high)

F = 0, B = 0

F = 0

GND

F = 0, B = 1

F = 1

TXOUT

F = 1, B = 0

-

S2

Default (pull high)

F = 0, B = 0

B = 0

GND

F = 0, B = 1

B = 1

TXOUT

F = 1, B = 0

-

S3

Default (pull high)

F1 = 0

L = 0

GND

F1 = 1

L = 1

S4

Default (pull high)

F2 = 0

R = 0

GND

F2 = 1

R = 1

(Note: F  Forward; B  Backward; L  Left-turn; R  Right-turn; F1, F2  Two User-defined function)