Intel E3815 FH8065301567411 Data Sheet
Product codes
FH8065301567411
Intel
®
Atom™ Processor E3800 Product Family
4420
Datasheet
32.6
PCU iLB UART IO Registers
32.6.1
Receiver Buffer / Transmitter Holding Register
(COM1_Rx_Tx_Buffer)—Offset 3F8h
This register is a combination of three registers: the receiver buffer register (RBR) that
is a read-only register when DLAB=0, the transmitter holding register (THR) that is a
write-only register when DLAB=0 and the divisor latch LSB (DLL) register when
DLAB=1.
Access Method
Default: 00h
Table 307.
Summary of PCU iLB UART
I/O Registers—
Offset
Size
Register ID—Description
Default
Value
3F8h
1
00h
3F9h
1
00h
3FAh
1
01h
3FBh
1
00h
3FCh
1
00h
3FDh
1
60h
3FEh
1
00h
3FFh
1
00h
Type:
I/O Register
(Size: 8 bits)
COM1_Rx_Tx_Buffer:
7
4
0
0
0
0
0
0
0
0
0
RBR_THR_DLL