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3.9.3
SFR
7
Bit symbol
TB8
SC0MOD0
Read/Write
(0202H)
After Reset
Transfer
data bit 8
Function
6
5
CTSE
RXE
0
0
0
Hand shake
Receive
function
0: CTS
disable
0: Receive
1: CTS
disable
enable
1: Receive
enable
Figure 3.9.7 Serial Mode Control Register (SIO0, SC0MOD0)
91C815-
4
3
2
WU
SM1
SM0
R/W
0
0
0
Wake up
Serial Transmission
function
Mode
00: I/O interface Mode
0: disable
01: 7-bit UART Mode
1: enable
10: 8-bit UART Mode
11: 9-bit UART Mode
Serial transmission clock source (UART)
00 Timer TMRA0 match detect signal
01 Baud rate generator
10 Internal clock f
11 External clock (SCLK0 input)
Note: The clock selection for the I/O
interface mode is controlled by the
serial bontrol register (SC0CR).
Serial Transmission Mode
00
I/O Interface Mode
01
UART mode
10
11
Wake-up function
9-Bit UART
Interrupt generated when
0
data is received
Interrupt generated only
1
when RB8 = 1
Receiving Function
0
Receive disabled
1
Receive enabled
Handshake function (CTS pin) Enable
0
Disabled (always transferable)
1
Enabled
Transmission data bit 8
133
TMP91C815
1
0
SC1
SC0
0
0
Serial transmission clock
(UART)
00: TMRA0 trigger
01: Baud rate
generator
10: Internal clock f
SYS
11: External clcok
(SCLK0 input)
SYS
7-bit mode
8-bit mode
9-bit mode
Other Modes
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