IN16C1054
7. Register Descriptions
Each UART channel in the SB16C1054 has its own set of registers selected by address
lines A2, A1, and A0 with a specific channel selected. The complete register set is shown
on Table 7 and Table 8.
Table 7: Internal Registers Map
Page 0
Page 1
Page 2
Page 3
Page 4
Address
A[2:0]
LCR[7] = 0
LCR[7] = 1
LCR[7] = 0
LCR = BFh
LCR = BFh
MCR[6] = 0
THR/RBR
IER
LCR[7:0] ≠ BFh
MCR[6] = 1
—
PSR[0] = 0
PSR
PSR[0] = 1
PSR
AFR
XRCR
0h
1h
2h
3h
4h
5h
6h
7h
DLL
DLM
GICR
GISR
LCR
ATR
EFR
FCR/ISR
MCR
XON1
XON2
XOFF1
XOFF2
TTR
RTR
FUR
FLR
LSR
MSR
SPR
TCR
RCR
FSR
Rev. 00