HT95R23 datasheet(32/53 Pages) HOLTEK

部品番号	HT95R23

部品情報	I/O Type Phone 8-bit MCU

PDF	53 Pages

Scroll/Zoom	100%

メーカー	HOLTEK [Holtek Semiconductor Inc]

ホームページ	http://www.holtek.com

Logo

32 / 53 page

HT95R23

Rev. 1.00

March 25, 2008

DTMF Generator Frequency Selection

The DTMF pin output is controlled using a combination of the D_PWDN, TONE, TR~TC bits.

R O W 1

R O W 2

R O W 3

R O W 4

C O L 1 C O L 2 C O L 3 C O L 4

DTMF Dialing Matrix

D T M F D

b 7

b 0

H i g h g r o u p ( c o l u m n ) t o n e f r e q u e n c y s e l e c t

L o w g r o u p ( r o w ) t o n e f r e q u e n c y s e l e c t

T R 4

T R 3

T R 2

T R 1

T C 4

T C 3

T C 2

T C 1

DTMF Generator Data Register

Control Register Bits

DTMF Pin Output Status

D_PWDN

TONE

TR4~TR1/TC4~TC1

1/2 VDD

Any valid value

16 dual tones or 8 signal tones, bias at 1/2 VDD

Output Frequency (Hz)

% Error

Specified

Actual

697

699

+0.29%

770

766

-0.52%

852

847

-0.59%

941

948

+0.74%

1209

1215

+0.50%

1336

1332

-0.30%

1477

1472

-0.34%

% Error does not contain the crystal frequency shift

HT95R23 データシート(PDF) 32 Page - Holtek Semiconductor Inc

HT95R23 データシート(HTML) 32 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

データシートダウンロード