Section 15 Serial I/O with FIFO (SIOF)
Rev. 2.00 Mar 09, 2006 page 652 of 906
REJ09B0292-0200
Bit 3 to 0— Transmit FIFO Watermark (TFWM3 to TFWM0): These bits are used to make
threshold settings, which are used to set the TDRE bit in SISTR.
When the amount of primary send data in SITDR is less than or equal to the watermark setting, as
shown in the table below, the TDRE bit is set to 1.
Bit 3: TFWM3
Bit 2: TFWM2
Bit 1: TFWM1
Bit 0: TFWM0
Watermark setting
0
0
0
0
0
(Initial value)
1
1
1
0
2
1
3
1
0
0
4
1
5
1
0
6
1
7
1
0
0
0
8
1
9
1
0
10
1
11
1
0
0
12
1
13
1
0
14
1
15
Содержание SH7616
Страница 10: ...Rev 2 00 Mar 09 2006 page x of xxvi ...
Страница 132: ...Section 2 CPU Rev 2 00 Mar 09 2006 page 106 of 906 REJ09B0292 0200 ...
Страница 568: ...Section 12 16 Bit Free Running Timer FRT Rev 2 00 Mar 09 2006 page 542 of 906 REJ09B0292 0200 ...
Страница 582: ...Section 13 Watchdog Timer WDT Rev 2 00 Mar 09 2006 page 556 of 906 REJ09B0292 0200 ...
Страница 662: ...Section 14 Serial Communication Interface with FIFO SCIF Rev 2 00 Mar 09 2006 page 636 of 906 REJ09B0292 0200 ...
Страница 706: ...Section 16 Serial I O SIO Rev 2 00 Mar 09 2006 page 680 of 906 REJ09B0292 0200 ...
Страница 820: ...Section 19 Pin Function Controller PFC Rev 2 00 Mar 09 2006 page 794 of 906 REJ09B0292 0200 ...
Страница 932: ...Appendix D Package Dimensions Rev 2 00 Mar 09 2006 page 906 of 906 REJ09B0292 0200 ...
Страница 935: ...SH7616 Hardware Manual ...