Denon DN-A7100 User Guide - Page 41

ENGLISH RS-232C CONTROL SPECIFICATION GLOBAL DESCRIPTION OVERVIEW A Host controller can control or watch out the product as a Slave very easily via the communication cable. BLOCK DIAGRAM HOST (Controller) RS232C cable (straight) * The product connector is using D-SUB 9pin male. * RS232C cable must use D-SUB 9pin female to connect the products. SLAVE (The product) Connector D-SUB (9pin, male) INTERFACE CONNECTION SPECIFICATION OF THE PRODUCT Processor Interface - UART - Signal name N.C. TxD (output) RxD (input) N.C. GND N.C. N.C. N.C. N.C. Connection device - RS232C Level shift driver GND - D-Sub Pin 1 2 3 4 5 6 7 8 9 Connecter RS232C D-SUB (9pin,male) 12345 6789 DETAILED DESCRIPTION The interface specification between the product and a Host controller is described below. CONNECTION FORMAT Physical connection Host (Controller) Slave (the product) TxD RxD GND RxD TxD GND • Data transmission sequence from Host to Slave Host (Controller) TxD / (Serial setting ) Baud Rate : 9600bps Data Bits : 8bit Parity : None Stop bit : 1bit Handshaking : None Slave (The product) RxD RxD , TxD 1. Host starts a data transmission from TxD. 2. Host performs the data transmission of the number of required bytes, and ends a transmission. • Data transmission sequence from Slave to Host Host (Controller) TxD / Slave (The product) RxD RxD , TxD 1. Slave starts a data transmission from TxD. 2. Slave performs the data transmission of the number of required bytes, and ends a transmission. 37