Acia Control Register - Yamaha Mio Service Manual

SBN WL1 WL0 RCS
Bits 3-0
0 0 0 0 16 x RxC (Not usable by MIO).
0 0 0 1 50
0 0 1 0 75
0 0 1 1 110
0 1 0 0 135
0 1 0 1 150
0 1 1 0 300
0 1 1 1 600
1 0 0 0 1200
1 0 0 1 1800
1 0 1 0 2400
1 0 1 1 3600
1 1 0 0 4800
1 1 0 1 7200
1 1 1 0 9600
1 1 1 1 19200
MIO Service Manual
Table 5-3. ACIA Control Register
7 6 5 4
WL
Bit 7 Stop Bit Number (SBN)
0 1 Stop bit.
1 2 Stop bits.
1 1/2 stop bits for WL=5 and no parity.
1 stop bit for WL=8 and parity.
Bits 6-5 Word Length (WL)
6 5 Number of bits
0 0 8
0 1 7
1 0 6
1 0 5
Bit 4 Receiver Clock Source (RCS)
0 External receiver clock (non-functional on MIO).
1 Baud Rate (SBR).
Selected Baud Rate (SBR)
3 2 1 0 Baud Rate
3 2 1
SBR
SBR3 SBR2 SBR1
0
SBR0
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