AMD AM186EM User Manual page 166

Figure A-1 Internal Register Summary (continued)
15
86
Serial Port Receive Data Register (SPRD)
Page 10-6
15
84
Serial Port Transmit Data Register (SPTD)
Page 10-5
15
82
Serial Port Status Register (SPSTS)
Page 10-4
15
80
Serial Port Control Register (SPCT)
Page 10-2
15
7A
PIO Data 1 Register (PDATA1)
Page 12-5
15
78
PIO Direction 1 Register (PDIR1)
Page 12-4
A-8
Reserved
Reserved
Reserved
Reserved
TXIE
RXIE
LOOP
BRKVAL
Register Summary
7
7
7
TEMT
THRE
RDR
BRKI
7
BRK PMODE
7
PDATA31–PDATA16
7
PDIR31–PDIR16
RDATA
TDATA
FER PER OER
STP RSIE
WLGN TMODE RMODE
0
0
0
0
0
0