Section 16 Serial Communication Interface (SCI, IrDA, and CRC)
Rev. 3.00 Jan 25, 2006 page 413 of 872
REJ09B0286-0300
Bit
Bit Name
Initial Value
R/W
Description
7
SSE
0
R/W
SCI Select Enable
Enables/disables the external pins to select the SCI
functions when the external clock is supplied in
clocked synchronous mode.
0: Disables the external pins to select the SCI
functions (normal)
1: Enables the external pins to select the SCI
functions
•
SCI_0
SSE0I pin input = 0 (selected state): SCI_0
operates normally
SSE0I pin input = 1 (non-selected state): SCI_0
halts operation
(TxD0 = high-impedance state, SCK0 = fixed to
high)
•
SCI_2
SSE2I pin input = 0 (selected state): SCI_2
operates normally
SSE2I pin input = 1 (non-selected state): SCI_2
halts operation
(TxD2 = high-impedance state, SCK2 = fixed to
high)
6, 5
—
All 0
R
Reserved
These bits are always read as 0 and cannot be
modified.
4
ABCS
0
R/W
Asynchronous Mode Basic Clock Select
Specifies the basic clock for a 1-bit cycle in
asynchronous mode.
This bit is valid only in asynchronous mode (C/
A
bit in
SMR is 0).
0: The basic clock has a frequency 16 times the
transfer clock frequency (normal operation)
1: The basic clock has a frequency 8 times the
transfer clock frequency (double-speed operation)
Содержание H8S/2158
Страница 10: ...Rev 3 00 Jan 25 2006 page viii of lii...
Страница 36: ...Rev 3 00 Jan 25 2006 page xxxiv of lii B Product Lineup 863 C Package Dimensions 864 Index 865...
Страница 47: ...Rev 3 00 Jan 25 2006 page xlv of lii Appendix Figure C 1 Package Dimensions TBP 112A 864...
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Страница 70: ...Section 1 Overview Rev 3 00 Jan 25 2006 page 16 of 872 REJ09B0286 0300...
Страница 118: ...Section 3 MCU Operating Modes Rev 3 00 Jan 25 2006 page 64 of 872 REJ09B0286 0300...
Страница 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
Страница 198: ...Section 6 Bus Controller Rev 3 00 Jan 25 2006 page 144 of 872 REJ09B0286 0300...
Страница 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
Страница 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Страница 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
Страница 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Страница 744: ...Section 20 Encryption Operation Circuit DES and GF Rev 3 00 Jan 25 2006 page 690 of 872 REJ09B0286 0300...
Страница 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Страница 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Страница 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Страница 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 of 872 REJ09B0286 0300...
Страница 844: ...Section 27 Power Down Modes Rev 3 00 Jan 25 2006 page 790 of 872 REJ09B0286 0300...
Страница 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Страница 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...