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HD6432142 Datasheet(PDF) 611 Page - Renesas Technology Corp

Part # HD6432142
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1177 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432142 Datasheet(HTML) 611 Page - Renesas Technology Corp

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Section 17 Keyboard Buffer Controller
Rev. 4.00 Sep 27, 2006 page 567 of 1130
REJ09B0327-0400
17.2.3
Keyboard Data Buffer Register (KBBR)
Bit
76543210
KB7
KB6
KB5
KB4
KB3
KB2
KB1
KB0
Initial value
00000000
Read/Write
RRRRRRRR
KBBR is a read-only register that stores receive data. Its value is valid only when KBF = 1.
KBBR is initialized to H'00 by a reset, in standby mode, watch mode, subactive mode, subsleep
mode, and module stop mode, and when KBIOE is cleared to 0.
17.2.4
Module Stop Control Register (MSTPCR)
7
MSTP15
0
R/W
Bit
Initial value
Read/Write
6
MSTP14
0
R/W
5
MSTP13
1
R/W
4
MSTP12
1
R/W
3
MSTP11
1
R/W
2
MSTP10
1
R/W
1
MSTP9
1
R/W
0
MSTP8
1
R/W
7
MSTP7
1
R/W
6
MSTP6
1
R/W
5
MSTP5
1
R/W
4
MSTP4
1
R/W
3
MSTP3
1
R/W
2
MSTP2
1
R/W
1
MSTP1
1
R/W
0
MSTP0
1
R/W
MSTPCRH
MSTPCRL
MSTPCR, comprising two 8-bit readable/writable register, performs module stop mode control.
When the MSTP2 bit is set to 1, the keyboard buffer controller halts and enters module stop mode.
See section 25.5, Module Stop Mode, for details.
MSTPCR is initialized to H'3FFF by a reset and in hardware standby mode. It is not initialized in
software standby mode.
MSTPCRL Bit 2—Module Stop (MSTP2): Specifies keyboard buffer controller module stop
mode.
MSTPCRL
Bit 2
MSTP2
Description
0
Keyboard buffer controller module stop mode is cleared
1
Keyboard buffer controller module stop mode is set
(Initial value)



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