W55RFS27T1B

-4-

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

(ID1,ID0)

FUNCTION

ENCODER TIME BASE

(0,0)

Data Rate = 2.5 KBPS

T = 200 us

(0,1)

Data Rate = 1.25 KBPS

T = 400 us

(1,0)

Data Rate = 0.625 KBPS

T = 800 us

(1,1)

uC-Mode

Externally-controlled

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

1.2.4 Baseband Encoder Control Function Description

INPUT PIN NAME

CONNECT TO

6-FUNCTION

(TEST=0)

4-FUNCTION

(TEST=1)

Default (pull high)

F = 0, B = 0

F = 0

GND

F = 0, B = 1

F = 1

S1

TXOUT

F = 1, B = 0

-

Default (pull high)

L = 0, R = 0

B = 0

GND

L = 0, R = 1

B = 1

S2

TXOUT

L = 1, R = 0

-

Default (pull high)

F1 = 0

L = 0

S3

GND

F1 = 1

L = 1

Default (pull high)

F2 = 0

R = 0

S4

GND

F2 = 1

R = 1

(Note: F

Forward; B

Backward; L

Left-turn; R

Right-turn; F1, F2

two user-defined functions)