Section 15 Pin Function Controller (PFC)
Rev. 3.00 Sep. 27, 2007 Page 537 of 758
REJ09B0243-0300
15.1.5
Port E I/O Register L (PEIORL)
PEIORL is a 16-bit readable/writable register that is used to set the pins on port E as inputs or
outputs. PE15IOR to PE0IOR correspond to pins PE15 to PE0 (names of multiplexed pins are
here given as port names and pin numbers alone). PEIORL is enabled when the port E pins are
functioning as general-purpose inputs/outputs (PE15 to PE0), and the TIOC pin is functioning as
inputs/outputs of MTU2. In other states, PEIORL is disabled.
A given pin on port E will be an output pin if the corresponding bit in PEIORL is set to 1, and an
input pin if the bit is cleared to 0.
However, bits 7 to 4 of PEIORL are disabled in SH7124.
The initial value of PEIORL is H'0000.
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/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PE15
IOR
PE14
IOR
PE13
IOR
PE12
IOR
PE11
IOR
PE10
IOR
PE9
IOR
PE8
IOR
PE7
IOR
PE6
IOR
PE5
IOR
PE4
IOR
PE3
IOR
PE2
IOR
PE1
IOR
PE0
IOR
15.1.6
Port E Control Registers L1 to L4 (PECRL1 to PECRL4)
PECRL1 to PECRL4, are 16-bit readable/writable registers that are used to select the functions of
the multiplexed pins on port E.
SH7125:
•
Port E Control Register L4 (PECRL4)
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/W
R/W
R/W
R
R/W
R/W
R/W
R
R
R/W
R/W
R
R/W
R/W
R/W
-
PE15
MD2
PE15
MD1
PE15
MD0
-
PE14
MD2
PE14
MD1
PE14
MD0
-
-
PE13
MD1
PE13
MD0
-
PE12
MD2
PE12
MD1
PE12
MD0
Bit Bit
Name
Initial
Value
R/W Description
15
0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
Содержание SH7124 R5F7124
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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 ...
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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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