Control Registers - Toshiba TLCS-90 Series Data Book

TOSHIBA TMP90CB40
3.B.l
Control Registers
SCMOD
(FFE9H)
The ser ia 1 channe 1 is controlled by four contro 1 regis ters (SCMOD
l
SCCR, TRUN, and P3CR). The received/transmitted data are stored into
SCBUF.
7
TBB
6
5 4
a
RXE WU
R/W
R/W
R/W
3
2
1
a
SM SC
I R/W
I
->
Serial transfer clock
I I
UART mode
I
I/O interface
*
1001 Timer 2 match
I
I I
signa
1
I
1--1----------------------1
1011 Baud rate genetator
I
fc/8
1--1----------------------1
1101 Internal clock 01
I
1--1----------------------1
1111 Bauda rate generator
I
I I
1/2 clock
I
R/W
>
Serial transfer mode
*
1001
I/O interface mode
1011
I
7- bit data
I
I
1--1
1---------------1
1101 UART mode
I B-bit data I
1--1
1---------------1
1111
I 9- bit data I
>
Wake-up function
I I
9-bit UART Other modes
*
I
01 Interrupt if data
I
I I
are received.
I
1--1----------------------1 don't care
I
11 Interrupt only if
I
I I
RBB =
1.
I
>
Enable receiving data
*
I
01
Disable
I
11
Enable
>
Transmission data bit
B
Fig.
3.B
(2) Serial Channel Mode Register
MPU90-111