HT9015 View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

Manufacturer

HT9015

RF single chip for cordless phone

Holtek Semiconductor 

Preliminary

· REF register

Divide number range is from 5 to 4095.

This register includes TEST bits which must be set to 0.

HT9015

D o n 't C a r e T e s t

1 2 - b it R C o u n te r

C ode

0 B C R 0 R 1 R 2 R 3 R 4 R 5 R 6 R 7 R 8 R 9 R 10 R 11 1 1

1st

STB

Divide number:

R= R0 + R1 ´ 2 + R2 ´ 22+ R3 ´ 23+ ¼ + R11 ´ 211

BC bit is BATTERY ALARM detection setting.

· TX register

Divide number range is from 5 to 16383.

S

D o n 't C a r e

1 4 - b it N C o u n te r

C ode

N 0 N 1 N 2 N 3 N 4 N 5 N 6 N 7 N 8 N 9 N 10 N 11 N 12 N 13 1 0

1st

STB

Divide number:

N= N0 + N1 ´ 2 + N2 ´ 22+ N3 ´ 23+ ¼ + N12 ´ 212 + N13 ´ 213

· RX register

Divide number range is from 5 to 16383.

D o n 't C a r e

1 4 - b it N C o u n te r

C ode

N 0 N 1 N 2 N 3 N 4 N 5 N 6 N 7 N 8 N 9 N 10 N 11 N 12 N 13 0 1

1st

STB

Divide number:

N= N0 + N1 ´ 2 + N2 ´ 22+ N3 ´ 23+ ¼ + N12 ´ 212 + N13 ´ 213

· Control register

This register includes battery saving control for the TX/RX circuits or MUTE controls for the com-

mander block or changing threshold level for the battery alarm.

D o n 't C a r e

S IG O U T

TX LD R X LD R S S I N D

TX

RX

BAT

R F AF C P M U TE R F AF C P M U TE BA1 BA2

C ode

0

0

1st

L D , R S S I, N D S e le c tio n

B a tte ry C h a rg e C O M P B a tte ry C h a rg e E X P B A T T E R Y

STB

S a v in g P u m p M U T E S a v in g P u m p M U T E A L A R M

C u rre n t

C u rre n t

T h r e s h o ld

11

April 10, 2000

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