參數資料
型號: PCD3330-1D-T
英文描述: Tone/Pulse Telephone Dialer
中文描述: 音頻/脈沖電話撥號器
文件頁數: 9/36頁
文件大?。?/td> 169K
代理商: PCD3330-1D-T
1999 Oct 28
9
Philips Semiconductors
Product specification
8-bit microcontrollers with DTMF generator
and 128 bytes EEPROM
PCA3351C; 52C; 53C;
PCD3351A; 52A; 53A
Fig.4 Block diagram of the frequency generator and melody output (P1.7/MDY) section.
handbook, full pagewidth
MLC416
HGF REGISTER
MELODY CONTROL
REGISTER
LGF REGISTER
INTERNAL BUS
8
8
8
8
SWITCHED
CAPACITOR
BANDGAP
VOLTAGE
REFERENCE
DIGITAL
SINE WAVE
SYNTHESIZER
DIGITAL
SINE WAVE
SYNTHESIZER
SWITCHED
CAPACITOR
LOW-PASS
FILTER
DAC
DAC
RC LOW-PASS
FILTER
TONE
PORT/MELODY
OUTPUT LOGIC
P1.7/
MDY
square wave
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