參數(shù)資料
型號(hào): PCD3322CP
英文描述: Pulse Telephone Dialer
中文描述: 脈沖電話(huà)撥號(hào)器
文件頁(yè)數(shù): 9/36頁(yè)
文件大小: 169K
代理商: PCD3322CP
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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