Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 581 of 680
REJ09B0145-0600
SDRU—Serial Data Register U
H'A2
SCI1
Bit
Initial value
Read/Write
7
SDRU7
Undefined
R/W
6
SDRU6
Undefined
R/W
5
SDRU5
Undefined
R/W
4
SDRU4
Undefined
R/W
3
SDRU3
Undefined
R/W
0
SDRU0
Undefined
R/W
2
SDRU2
Undefined
R/W
1
SDRU1
Undefined
R/W
Used for transmit data setting and receive data storage
8-bit transfer mode:
Not used
16-bit transfer mode: Upper 8 bits of data register
SDRL—Serial Data Register L
H'A3
SCI1
Bit
Initial value
Read/Write
7
SDRL7
Undefined
R/W
6
SDRL6
Undefined
R/W
5
SDRL5
Undefined
R/W
4
SDRL4
Undefined
R/W
3
SDRL3
Undefined
R/W
0
SDRL0
Undefined
R/W
2
SDRL2
Undefined
R/W
1
SDRL1
Undefined
R/W
Used for transmit data setting and receive data storage
8-bit transfer mode:
Data register
16-bit transfer mode: Lower 8 bits of data register
Summary of Contents for H8/38342
Page 8: ...Rev 6 00 Aug 04 2006 page vi of xxxvi...
Page 12: ...Rev 6 00 Aug 04 2006 page x of xxxvi...
Page 38: ...Rev 6 00 Aug 04 2006 page xxxvi of xxxvi...
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...