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Appendix B Internal I/O Registers
Rev. 6.00 Sep 12, 2006 page 462 of 526
REJ09B0326-0600
SCR3—Serial control register 3
H'FFAA
SCI3
Bit
Initial value
Read/Write
7
TIE
0
R/W
6
RIE
0
R/W
5
TE
0
R/W
0
CKE0
0
R/W
2
TEIE
0
R/W
1
CKE1
0
R/W
4
RE
0
R/W
Receive interrupt enable
0
Receive data full interrupt request (RXI) and receive error interrupt request (ERI) disabled
1
Receive data full interrupt request (RXI) and receive error interrupt request (ERI) enabled
Multiprocessor interrupt enable
0
Multiprocessor interrupt request disabled (normal receive operation)
[Clearing condition]
When data is received in which the multiprocessor bit is set to 1
1
Multiprocessor interrupt request enabled
The receive interrupt request (RXI), receive error interrupt request (ERI), and setting of the
RDRF, FER, and OER flags in the serial status register (SSR), are disabled until data with
the multiprocessor bit set to 1 is received.
Transmit enable
0
Transmit operation disabled (TXD pin is transmit data pin)
*
1
1
Transmit operation enabled (TXD pin is transmit data pin)
*
1
Receive enable
0
Receive operation disabled (RXD pin is I/O port)
1
Receive operation enabled (RXD pin is receive data pin)
Transmit end interrupt enable
Clock enable
0
Bit 1
CKE1
0
1
Bit 0
CKE0
0
1
0
1
Communication Mode
Asynchronous
Synchronous
Asynchronous
Synchronous
Asynchronous
Synchronous
Asynchronous
Synchronous
Internal clock
Internal clock
Internal clock
Reserved (Do not specify this combination)
External clock
External clock
Reserved (Do not specify this combination)
Reserved (Do not specify this combination)
I/O port
Serial clock output
Clock output
Clock input
Serial clock input
Clock Source
SCK
Pin Function
Description
Transmit end interrupt request (TEI) disabled
1
Transmit end interrupt request (TEI) enabled
Transmit interrupt enable
0
Transmit data empty interrupt request (TXI) disabled
1
Transmit data empty interrupt request (TXI) enabled
3
MPIE
0
R/W
3
Note: 1. When bit TXD is set to 1 in PMR7
Summary of Contents for F-ZTAT H8/3642A Series
Page 6: ...Rev 6 00 Sep 12 2006 page iv of xx ...
Page 8: ...Rev 6 00 Sep 12 2006 page vi of xx ...
Page 22: ...Rev 6 00 Sep 12 2006 page xx of xx ...
Page 124: ...Section 5 Power Down Modes Rev 6 00 Sep 12 2006 page 102 of 526 REJ09B0326 0600 ...
Page 188: ...Section 6 ROM Rev 6 00 Sep 12 2006 page 166 of 526 REJ09B0326 0600 ...
Page 190: ...Section 7 RAM Rev 6 00 Sep 12 2006 page 168 of 526 REJ09B0326 0600 ...
Page 298: ...Section 9 Timers Rev 6 00 Sep 12 2006 page 276 of 526 REJ09B0326 0600 ...
Page 378: ...Section 12 A D Converter Rev 6 00 Sep 12 2006 page 356 of 526 REJ09B0326 0600 ...
Page 446: ...Section 13 Electrical Characteristics Rev 6 00 Sep 12 2006 page 424 of 526 REJ09B0326 0600 ...