Rev. 2.00, 09/03, page 399 of 690
Bit
Bit
Name
Initial
Value
R/W
Description
7
6
RTRG1
RTRG0
0
0
R/W
R/W
Receive FIFO Data Number Trigger
Set the number of receive data bytes that sets the receive
data full (RDF) flag in the serial status register (SCSSR).
The RDF flag is set when the number of receive data bytes
in SCFRDR is equal to or greater than the trigger set
number shown in below.
00: 1
01: 16
10: 32
11: 48
5
4
TTRG1
TTRG0
0
0
R/W
R/W
Transmit FIFO Data Number Trigger
Set the number of remaining transmit data bytes that sets
the transmit FIFO data register empty (TDFE) flag in the
serial status register (SCSSR).
The TDFE flag is set when, as the result of a transmit
operation, the number of transmit data bytes in the transmit
FIFO data register (SCFTDR) falls to or below the trigger
set number shown in below.
00: 32 (32)
01: 16 (48)
10: 2 (62)
11: 0 (64)
Note:
The values in parentheses are the number of empty
bytes in SCFTDR when the flag is set.
3
MCE
0
R/W
Modem Control Enable
Enables modem control signals
CTS
and
RTS
.
This setting is only valid in asynchronous mode.
0: Modem signal disabled
*
1: Modem signal enabled
Note:
*
CTS
is fixed at active 0 regardless of the input
value, and
RTS
is also fixed at 0.
Содержание SH7705
Страница 2: ......
Страница 46: ...Rev 2 00 09 03 page xlvi of xlvi Appendix Table A 1 I O Port States in Each Processing State 679 ...
Страница 70: ...Rev 2 00 09 03 page 24 of 690 ...
Страница 194: ...Rev 2 00 09 03 page 148 of 690 ...
Страница 284: ...Rev 2 00 09 03 page 238 of 690 ...
Страница 338: ...Rev 2 00 09 03 page 292 of 690 ...
Страница 354: ...Rev 2 00 09 03 page 308 of 690 ...
Страница 374: ...Rev 2 00 09 03 page 328 of 690 ...
Страница 420: ...Rev 2 00 09 03 page 374 of 690 ...
Страница 476: ...Rev 2 00 09 03 page 430 of 690 ...
Страница 482: ...Rev 2 00 09 03 page 436 of 690 ...
Страница 552: ...Rev 2 00 09 03 page 506 of 690 ...
Страница 630: ...Rev 2 00 09 03 page 584 of 690 ...
Страница 739: ...SH7705 Group Hardware Manual REJ09B0082 0200O ...