STMicroelectronics ST7537HS1
The ST7537HS1 is a half duplex asynchronous FSK MODEM designed for home automation communication on the domestic electric mains which complies with the EN 50065-1 CENELEC standard. It mainly operates from a 10V power supply and a 5V power supply for the microcontroller digital interface. It is interfaced to the power line by an external driver, and a transformer (see Application Schematic Diagram).DESCRIPTION
Its data transmission rate is 2400 bps and its carrier frequency is 132.45kHz. June 1995 PAFB ATO PABC RSTO RxD TxD 23 22 21 20 19 13 15 16 12 14 17 18 8 9 10 11 PABC TEST1 TEST2 CD Rx/Tx WD TEST3 TEST4 XTAL1 DV DD XTAL2 MCLK SS 1/9 7537H-01.EPS DV ST7537HS1 PINDESCRIPTION
Pin Name VCM AVDD RAI RxFO TxIFI PAFB ATO PABC PABC TEST1 TEST2 TEST3 TEST4 DVDD DVSS XTAL1 XTAL2 MCLK WD Rx/Tx CD TxD RxD RSTO DVCC IFO DEMI AVSS Pin Number 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 Pin Type Analog Supply Analog Analog Analog Analog Analog Digital (10V) Digital (10V) Digital Digital Digital Digital Supply Supply Digital (10V) Digital (10V) Digital Digital Digital Digital Digital Digital Digital Supply Analog Analog Supply Common Mode Voltage Analog Power Supply : 10V ±5 % Receive Analog Input Receive Filter Output Transmit and Intermediate Frequency Filters Test Input (mode TEST3) Power Amplifier Feed-back Input Analog Transmit Output Power Amplifier Bia...