Uart Registers - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 21 UART

21.2 UART Registers

This section describes the configuration and functions of the registers used by the
UART.
I List of UART registers
Figure 21.2-1 "List of UART registers" lists the UART registers.
15
000020
H
000021
H
000022
H
000023
H
000025
H
Note:
When setting a UART register, set the communication mode while the converter is not in
operation. When the communication mode is changed while operation is in progress, the
data in send/receive operations cannot be assured.
396
Figure 21.2-1 List of UART registers
8 7
CDCR
SCR
SSR
8 bits
7 6 5 4
MD1 MD0 CS2 CS1 CS0
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) Reading/writing
(0) (0) (0) (0)
15 14 13 12
PEN P SBL CL
(R/W) (R/W) (R/W) (R/W) (R/W) (W) (R/W) (R/W) Reading/writing
(0) (0) (0) (0)
7 6 5 4
D7 D6 D5 D4
(R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) Reading/writing
(X) (X) (X) (X)
15 14 13 12
PE ORE FRE RDRF TDRE BDS
(R) (R) (R) (R)
(0) (0) (0) (0)
15 14 13 12
MD SRST - -
(R/W) (R/W) (-) (-) (R/W) (R/W) (R/W) (R/W) Reading/writing
(0) (0) (-) (-)
-
SMR
SIDR(R)/SODR(W)
8 bits
3 2 1 0
SCKE SOE
Reserved
(0) (X) (0) (0)
11 10 9 8
A/D REC RXE TXE
(0) (1) (0) (0)
3 2 1 0
D3 D2 D1 D0
(X) (X) (X) (X)
11 10 9 8
RIE TIE
(R) (R/W) (R/W) (R/W) Reading/writing
(1) (0) (0) (0)
11 10 9 8
DIV3 DIV2 DIV1 DIV0
(0) (0) (0) (0)
0
(R/W)
(R/W)
(R/W)
Serial mode register (SMR)
Initial value
Serial control (SCR)
Initial value
Serial input register (SIDR)/
serial output register (SODR)
Initial value
Serial status register (SSR)
Initial value
Communication prescaler
control register (CDCR)
Initial value