Sony AR-B1570 User Manual

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AR-B1570 User’s Guide 
12 
 
Bit 2: Number of Stop Bit (STB) 
Bit 3: Parity Enable (PEN) 
Bit 4: Even Parity Select (EPS) 
Bit 5: Stick Parity  
Bit 6: Set Break  
Bit 7: Divisor Latch Access Bit (DLAB) 
 
(6) MODEM Control Register (MCR) 
Bit 0: Data Terminal Ready (DTR) 
Bit 1: Request to Send (RTS) 
Bit 2: Out 1 (OUT 1) 
Bit 3: Out 2 (OUT 2) 
Bit 4: Loop  
Bit 5: Must be 0 
Bit 6: Must be 0 
Bit 7: Must be 0 
 
(7) Line Status Register (LSR) 
Bit 0: Data Ready (DR) 
Bit 1: Overrun Error (OR) 
Bit 2: Parity Error (PE) 
Bit 3: Framing Error (FE) 
Bit 4: Break Interrupt (BI) 
Bit 5: Transmitter Holding Register Empty (THRE) 
Bit 6: Transmitter Shift Register Empty (TSRE) 
Bit 7: Must be 0 
 
(8) MODEM Status Register (MSR) 
Bit 0: Delta Clear to Send (DCTS) 
Bit 1: Delta Data Set Ready (DDSR) 
Bit 2: Training Edge Ring Indicator (TERI) 
Bit 3: Delta Receive Line Signal Detect (DSLSD) 
Bit 4: Clear to Send (CTS) 
Bit 5: Data Set Ready (DSR) 
Bit 6: Ring Indicator (RI) 
Bit 7: Received Line Signal Detect (RSLD) 
 
(9) Divisor Latch (LS, MS) 
 
 LS 
MS 
Bit 0: 
Bit 0 
Bit 8 
Bit 1: 
Bit 1 
Bit 9 
Bit 2: 
Bit 2 
Bit 10 
Bit 3: 
Bit 3 
Bit 11 
Bit 4: 
Bit 4 
Bit 12 
Bit 5: 
Bit 5 
Bit 13 
Bit 6: 
Bit 6 
Bit 14 
Bit 7: 
Bit 7 
Bit 15 
WLS1 WLS0 
Word 
Length 
0 0 
Bits 
0 1 
Bits 
1 0 
Bits 
1 1 
Bits