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SH7014 Datasheet(PDF) 492 Page - Renesas Technology Corp

Part # SH7014
Description  32-Bit RISC Microcomputer
PDF  754 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 Datasheet(HTML) 492 Page - Renesas Technology Corp

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16. Pin Function Controller (PFC)
Rev.5.00 Sep. 27, 2007 Page 458 of 716
REJ09B0398-0500
16.3.5
Port C I/O Register (PCIOR)
⎯ SH7016, SH7017 ⎯
Bit:
15
14
13
12
11
10
9
8
PC15
IOR
PC14
IOR
PC13
IOR
PC12
IOR
PC11
IOR
PC10
IOR
PC9
IOR
PC8
IOR
Initial value:
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
Bit:
7
6
5
4
3
2
1
0
PC7
IOR
PC6
IOR
PC5
IOR
PC4
IOR
PC3
IOR
PC2
IOR
PC1
IOR
PC0
IOR
Initial value:
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
The port C I/O register (PCIOR) is a 16-bit read/write register that selects input or output for the
16 port C pins. Bits PC15IOR to PC0IOR correspond to pins PC15/A15 to PC0/A0. PCIOR is
enabled when the port C pins function as general input/outputs (PC15 to PC0). For other
functions, it is disabled.
When the port C pin functions are as PC15 to PC0, a given pin in port C is an output pin if its
corresponding PCIOR bit is set to 1, and an input pin if the bit is cleared to 0.
PCIOR is initialized to H'0000 by external power-on reset; however, it is not initialized for reset
by WDT, standby mode, or sleep mode, so the previous values are maintained.
The settings in this register are functional only in the SH7016 and SH7017. In the SH7014, there
are no pins corresponding to this register, and it should not be read or written to.



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