TMP91C824
91C824-134
2008-02-20
3.9.3 SFRs
7 6 5 4 3 2 1 0
Bit symbol
TB8
CTSE
RXE
WU
SM1
SM0
SC1
SC0
Read/Write R/W
After
reset
0 0 0 0 0 0 0 0
Function Transfer
data bit8
Handshake
0: CTS
disable
1: CTS
enable
Receive
function
0: Receive
disable
1: Receive
enable
Wakeup
function
0: Disable
1: Enable
Serial transmission
mode
00: I/O interface mode
01: 7-bit UART mode
10: 8-bit UART mode
11: 9-bit UART mode
Serial transmission clock
(UART)
00: TMRA0 trigger
01: Baud rate
generator
10: Internal clock f
SYS
11: External clcok
(SCLK0 input)
Figure 3.9.7 Serial Mode Control Register (SIO0, SC0MOD0)
SC0MOD0
(0202H)
Serial transmission clock source (UART)
00 Timer TMRA0 match detect signal
01 Baud rate generator
10 Internal clock f
SYS
11 External clock (SCLK0 input)
Note: The clock selection for the I/O
interface mode is controlled by the
serial control register (SC0CR).
Serial transmission mode
00
I/O Interface mode
01
7-bit mode
10
8-bit mode
11
UART mode
9-bit mode
Wakeup function
9-bit UART
Other modes
0
Interrupt generated when
data is received
1
Interrupt generated only
when RB8
=
1
0
Receive disabled
1
Receive enabled
Receiving function
0
Disabled (Always transferable)
1
Enabled
Handshake function (
CTS
pin)
Transmission data bit8
Don’t care