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Section 10 Port Output Enable (POE)
Rev. 3.00 Sep. 27, 2007 Page 389 of 758
REJ09B0243-0300
Bit Bit
Name
Initial
value
R/W Description
14 to 10
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
9 OCE1
0 R/W
*
2
Output Short High-Impedance Enable 1
This bit specifies whether to place the pins in high-
impedance state when the OSF1 bit in OCSR1 is set to 1.
0: Does not place the pins in high-impedance state
1: Places the pins in high-impedance state
8
OIE1
0
R/W
Output Short Interrupt Enable 1
This bit enables or disables interrupt requests when the
OSF1 bit in OCSR is set to 1.
0: Interrupt requests disabled
1: Interrupt requests enabled
7 to 0
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
Notes: 1. Writing 0 to this bit after reading it as 1 clears the flag and is the only allowed way.
2. Can be modified only once after a power-on reset.
10.3.3
Input Level Control/Status Register 3 (ICSR3)
ICSR3 is a 16-bit readable/writable register that selects the
POE8
pin input mode, controls the
enable/disable of interrupts, and indicates status.
Bit:
Initial value:
R/W:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R/(W)
*
1
R
R
R/W
*
2
R/W
R
R
R
R
R
R
R/W
*
2
R/W
*
2
Notes:
Writing 0 to this bit after reading it as 1 clears the flag and is the only allowed way.
Can be modified only once after a power-on reset.
1.
2.
POE8F
-
-
POE8E
-
-
-
-
-
-
-
-
PIE3
-
POE8M[1:0]
Содержание SH7124 R5F7124
Страница 2: ...Rev 3 00 Sep 27 2007 Page ii of xx ...
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Страница 36: ...Section 1 Overview Rev 3 00 Sep 27 2007 Page 16 of 758 REJ09B0243 0300 ...
Страница 68: ...Section 2 CPU Rev 3 00 Sep 27 2007 Page 48 of 758 REJ09B0243 0300 ...
Страница 108: ...Section 5 Exception Handling Rev 3 00 Sep 27 2007 Page 88 of 758 REJ09B0243 0300 ...
Страница 166: ...Section 7 User Break Controller UBC Rev 3 00 Sep 27 2007 Page 146 of 758 REJ09B0243 0300 ...
Страница 400: ...Section 9 Multi Function Timer Pulse Unit 2 MTU2 Rev 3 00 Sep 27 2007 Page 380 of 758 REJ09B0243 0300 ...
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Страница 782: ...SH7125 Group SH7124 Group Hardware Manual ...