Uart Registers - Fujitsu MB90460 Series Hardware Manual

17.4

UART Registers

The following figure shows the UART registers.
■ UART Registers
Serial Control Register
Address: ch.0 000021
ch.1 000025
Read/write
Initial value
Serial Mode Register
Address: ch.0 000020
ch.1 000024
Read/write
Initial value
UART Status Register
Address: ch.0 000023
ch.1 000027
Read/write
Initial value
UART Input Data Register / Output Data Register
Address: ch.0 000022
ch.2 000026
Read/write
Initial value
Clock Division Control Register
Address: ch.0 000019
ch.1 00001B
Read/write
Initial value
Figure 17.4-1 UART Registers
15 14
bit
H
PEN P SBL
H
R/W R/W
0 0
bit 7 6
H
MD1 MD0 CS2
H
R/W R/W
0 0
15 14
bit
H
PE ORE FRE
H
R R R
0 0 0
bit 7 6
H
D7 D6 D5
H
R/W R/W R/W
X X
bit 15 14
H
MD
H
R/W
0
13 12 11
CL A/D REC
R/W R/W R/W W
0 0 0 1
5 4 3
CS1 CS0 RST
R/W R/W R/W R/W
0 0 0
13 12 11
RDRF TDRE BDS
R R R/W
0 1 0
5 4 3
D4 D3 D2
R/W R/W R/W
X X X X
13 12 11
DIV2
R/W
0
CHAPTER 17 UART
10 9 8
RXE TXE
R/W R/W
0 0
2 1 0
SCKE SOE
R/W R/W
0 0 0
10 9 8
RIE TIE
R/W R/W
0 0
2 1 0
D1 D0
R/W R/W
X X
10 9 8
DIV1 DIV0
R/W R/W
0 0
SCR0/SCR1
SMR0/SMR1
SSR0/SSR1
SIDR0,SIDR1 /
SODR0,SODR1
CDCR0/CDCR1
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