Section 17 Serial Communication Interface with FIFO (SCIF)
Rev. 1.00 Apr. 28, 2008 Page 494 of 994
REJ09B0452-0100
Figure 17.1 shows a block diagram of the SCIF.
LPC
interface
Inter
nal data b
u
s
Bus interf
ace
Modem
controller
PB2/
RI
PB3/
DCD
PB4/
DSR
PB5/
DTR
PB6/
CTS
PB7/
RTS
P50/FTxD
P51/FRxD
FRSR
FTSR
FTHR
FRBR
Transmit FIFO
(16 bytes)
Transmission
(1 byte)
Clock
selection/
divider
circuit
SCLK
FDLH
FDLL
Baud rate
generator
Transfer clock
SCIFCR
FIER
FIIR
FFCR
FLCR
FMCR
FLSR
FMSR
FSCR
Register
transmission/
reception
control
SCIF
interrupt
request
System clock
LCLK
Receive FIFO
(16 bytes)
Reception
(1 byte)
[Legend]
FRSR:
Receive shift register
FTSR:
Transmitter shift register
FRBR:
Receive buffer register
FTHR:
Transmitter holding register
FDLH, FDLL: Divisor latch H, L
FIER:
Interrupt enable register
FIIR:
Interrupt identification register
FFCR:
FIFO control register
FLCR:
Line control register
FMCR:
Modem control register
FLSR:
Line status register
FMSR:
Modem status register
FSCR:
Scratch pad register
SCIFCR: SCIF control register
Figure 17.1 Block Diagram of SCIF
Summary of Contents for H8S/2100 Series
Page 2: ...Rev 1 00 Apr 28 2008 Page ii of xxvi...
Page 54: ...Section 1 Overview Rev 1 00 Apr 28 2008 Page 28 of 994 REJ09B0452 0100...
Page 92: ...Section 2 CPU Rev 1 00 Apr 28 2008 Page 66 of 994 REJ09B0452 0100...
Page 158: ...Section 5 Interrupt Controller Rev 1 00 Apr 28 2008 Page 132 of 994 REJ09B0452 0100...
Page 244: ...Section 8 8 Bit PWM Timer PWMU Rev 1 00 Apr 28 2008 Page 218 of 994 REJ09B0452 0100...
Page 330: ...Section 10 16 Bit Timer Pulse Unit TPU Rev 1 00 Apr 28 2008 Page 304 of 994 REJ09B0452 0100...
Page 416: ...Section 13 8 Bit Timer TMR Rev 1 00 Apr 28 2008 Page 390 of 994 REJ09B0452 0100...
Page 612: ...Section 18 I 2 C Bus Interface IIC Rev 1 00 Apr 28 2008 Page 586 of 994 REJ09B0452 0100...
Page 706: ...Section 20 LPC Interface LPC Rev 1 00 Apr 28 2008 Page 680 of 994 REJ09B0452 0100...
Page 752: ...Section 21 FSI Interface Rev 1 00 Apr 28 2008 Page 726 of 994 REJ09B0452 0100...
Page 774: ...Section 23 RAM Rev 1 00 Apr 28 2008 Page 748 of 994 REJ09B0452 0100...
Page 1008: ...Section 28 Electrical Characteristics Rev 1 00 Apr 28 2008 Page 982 of 994 REJ09B0452 0100...
Page 1020: ...Rev 1 00 Apr 28 2008 Page 994 of 994 REJ09B0452 0100...
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Page 1024: ...H8S 2117R Group Hardware Manual...