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Section 10 Serial Communication Interface
Rev. 6.00 Sep 12, 2006 page 279 of 526
REJ09B0326-0600
Pin Configuration
Table 10.2 shows the SCI1 pin configuration.
Table 10.2 Pin Configuration
Name Abbr.
I/O
Function
SCI1 clock pin
SCK
1
I/O
SCI1 clock input or output
SCI1 data input pin
SI
1
Input
SCI1 receive data input
SCI1 data output pin
SO
1
Output
SCI1 transmit data output
Register Configuration
Table 10.3 shows the SCI1 register configuration.
Table 10.3 SCI1 Registers
Name Abbr.
R/W
Initial
Value
Address
Serial control register 1
SCR1
R/W
H'00
H'FFA0
Serial control status register 1
SCSR1
R/W
H'9C
H'FFA1
Serial data register U
SDRU
R/W
Undefined
H'FFA2
Serial data register L
SDRL
R/W
Undefined
H'FFA3
10.2.2 Register
Descriptions
Serial Control Register 1 (SCR1)
Bit
7 6 5 4 3 2 1 0
SNC1 SNC0
MRKON
LTCH CKS3 CKS2 CKS1 CKS0
Initial
value 0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
SCR1 is an 8-bit read/write register for selecting the operation mode, the transfer clock source,
and the prescaler division ratio.
Upon reset, SCR1 is initialized to H'00. Writing to this register during a transfer stops the transfer.
Содержание F-ZTAT H8/3642A Series
Страница 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
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Страница 21: ...Rev 6 00 Sep 12 2006 page xix of xx Appendix E Product Code Lineup 522 Appendix F Package Dimensions 524 ...
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Страница 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Страница 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Страница 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Страница 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Страница 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Страница 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...