Section 10 Serial Communication Interface
Rev. 6.00 Aug 04, 2006 page 350 of 680
REJ09B0145-0600
3. Pin Configuration
Table 10.4 shows the SCI3 pin configuration.
Table 10.4 Pin Configuration
Name
Abbr.
I/O
Function
SCI3 clock
SCK
3X
I/O
SCI3 clock input/output
SCI3 receive data input
RXD
3X
Input
SCI3 receive data input
SCI3 transmit data output
TXD
3X
Output
SCI3 transmit data output
4. Register Configuration
Table 10.5 shows the SCI3 register configuration.
Table 10.5 Registers
Name
Abbr.
R/W
Initial Value
Address
Serial mode register
SMR
R/W
H'00
H'FFA8/FF98
Bit rate register
BRR
R/W
H'FF
H'FFA9/FF99
Serial control register 3
SCR3
R/W
H'00
H'FFAA/FF9A
Transmit data register
TDR
R/W
H'FF
H'FFAB/FF9B
Serial data register
SSR
R/W
H'84
H'FFAC/FF9C
Receive data register
RDR
R
H'00
H'FFAD/FF9D
Transmit shift register
TSR
Protected
—
—
Receive shift register
RSR
Protected
—
—
Bit rate counter
BRC
Protected
—
—
Clock stop register 1
CKSTPR1
R/W
H'FF
H'FFFA
Serial port control register
SPCR
R/W
H'C0
H'FF91
Summary of Contents for H8/38342
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Page 76: ...Section 1 Overview Rev 6 00 Aug 04 2006 page 38 of 680 REJ09B0145 0600...
Page 240: ...Section 7 RAM Rev 6 00 Aug 04 2006 page 202 of 680 REJ09B0145 0600...
Page 468: ...Section 12 A D Converter Rev 6 00 Aug 04 2006 page 430 of 680 REJ09B0145 0600...
Page 580: ...Section 15 Electrical Characteristics Rev 6 00 Aug 04 2006 page 542 of 680 REJ09B0145 0600...