Section 15 Serial Communication Interface with FIFO (SCIF)
Rev. 1.00 Mar. 12, 2008 Page 514 of 1178
REJ09B0403-0100
15.3.8
FIFO Control Register (FFCR)
FFCR is a write-only register that controls transmit/receive FIFOs.
Bit
Bit Name
Initial Value R/W Description
7
6
RCVRTRIG1
RCVRTRIG0
0
0
W
W
Receive FIFO Interrupt Trigger Level 1, 0
These bits set the trigger level of the receive FIFO
interrupt.
00: 1 byte
01: 4 bytes
10: 8 bytes
11: 14 bytes
5, 4
Reserved
These bits cannot be modified.
3 DMAMODE 0
DMA
Mode
This bit is not supported. The initial value should not
be changed.
2 XMITFRST 0
W Transmit
FIFO
Reset
The transmit FIFO data is cleared when 1 is written.
However, FTSR data is not cleared. This bit is
automatically cleared.
1
RCVRFRST
0
W
Receive FIFO Reset
The receive FIFO data is cleared when 1 is written.
However, FRSR data is not cleared.
This bit is automatically cleared.
0 FIFOE
0
W FIFO
Enable
0: Transmit/receive FIFOs disabled
All bytes of these FIFOs are cleared.
1: Transmit/receive FIFOs enabled
Summary of Contents for H8S Family
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Page 8: ...Rev 1 00 Mar 12 2008 Page viii of xIviii...
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Page 70: ...Section 1 Overview Rev 1 00 Mar 12 2008 Page 22 of 1178 REJ09B0403 0100...
Page 108: ...Section 2 CPU Rev 1 00 Mar 12 2008 Page 60 of 1178 REJ09B0403 0100...
Page 116: ...Section 3 MCU Operating Modes Rev 1 00 Mar 12 2008 Page 68 of 1178 REJ09B0403 0100...
Page 152: ...Section 5 Interrupt Controller Rev 1 00 Mar 12 2008 Page 104 of 1178 REJ09B0403 0100...
Page 206: ...Section 6 Bus Controller BSC Rev 1 00 Mar 12 2008 Page 158 of 1178 REJ09B0403 0100...
Page 420: ...Section 9 14 Bit PWM Timer PWMX Rev 1 00 Mar 12 2008 Page 372 of 1178 REJ09B0403 0100...
Page 476: ...Section 12 Watchdog Timer WDT Rev 1 00 Mar 12 2008 Page 428 of 1178 REJ09B0403 0100...
Page 552: ...Section 14 CRC Operation Circuit CRC Rev 1 00 Mar 12 2008 Page 504 of 1178 REJ09B0403 0100...
Page 712: ...Section 18 I2 C Bus Interface IIC Rev 1 00 Mar 12 2008 Page 664 of 1178 REJ09B0403 0100...
Page 804: ...Section 19 LPC Interface LPC Rev 1 00 Mar 12 2008 Page 756 of 1178 REJ09B0403 0100...
Page 838: ...Section 20 Ethernet Controller EtherC Rev 1 00 Mar 12 2008 Page 790 of 1178 REJ09B0403 0100...
Page 964: ...Section 24 RAM Rev 1 00 Mar 12 2008 Page 916 of 1178 REJ09B0403 0100...
Page 1066: ...Section 25 Flash Memory Rev 1 00 Mar 12 2008 Page 1018 of 1178 REJ09B0403 0100...
Page 1098: ...Section 26 Boundary Scan JTAG Rev 1 00 Mar 12 2008 Page 1050 of 1178 REJ09B0403 0100...
Page 1226: ...Rev 1 00 Mar 12 2008 Page 1178 of 1178 REJ09B0403 0100...
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