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SH7052 Datasheet(PDF) 653 Page - Renesas Technology Corp

Part # SH7052
Description  SuperHTM RISC engine
PDF  919 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7052 Datasheet(HTML) 653 Page - Renesas Technology Corp

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18.3.10
Port E IO Register (PEIOR)
Bit:
15
14
13
12
11
10
9
8
PE15
IOR
PE14
IOR
PE13
IOR
PE12
IOR
PE11
IOR
PE10
IOR
PE9
IOR
PE8
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
PE7
IOR
PE6
IOR
PE5
IOR
PE4
IOR
PE3
IOR
PE2
IOR
PE1
IOR
PE0
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 E IO register (PEIOR) is a 16-bit readable/writable register that selects the input/output
direction of the 16 pins in port E. Bits PE15IOR to PE0IOR correspond to pins PE15/A15 to
PE0/A0. PEIOR is enabled when port E pins function as general input/output pins (PE15 to PE0),
and disabled otherwise.
When port E pins function as PE15 to PE0, a pin becomes an output when the corresponding bit in
PEIOR is set to 1, and an input when the bit is cleared to 0.
PEIOR is initialized to H'0000 by a power-on reset (excluding a WDT power-on reset), and in
hardware standby mode. It is not initialized in software standby mode or sleep mode.



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