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SH7041A 데이터시트(PDF) 664 Page - Renesas Technology Corp

부품명 SH7041A
상세설명  Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
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제조업체  RENESAS [Renesas Technology Corp]
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SH7041A 데이터시트(HTML) 664 Page - Renesas Technology Corp

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626
• Bit 0—PC0 Mode (PC0MD): Selects the function of the PC0/A0 pin.
Bit 0: PC0MD
Description
0
General input/output (PC0) (initial value) (A0 in on-chip ROM invalid mode)
1
Address output (A0) (PC0 in single chip mode)
18.3.9
Port D I/O Register H (PDIORH)
The port D I/O register H (PDIORH) is a 16-bit read/write register that selects input or output for
the most significant sixteen port D pins. Bits PD31IOR–PD16IOR correspond to the
PD31/D31/
ADTRG pin to PD16/D16/IRQ0 pin. PDIORH is enabled when the port D pins
function as general input/outputs (PD31–PD16). For other functions, it is disabled.
For port D pin functions PD31–PD16, a given pin in port D is an output pin if its corresponding
PDIORH bit is set to 1, and an input pin if the bit is cleared to 0.
PDIORH is initialized to H'0000 by external power-on reset; however, it is not initialized for
manual resets, reset by WDT, standby mode, or sleep mode, so the previous data is maintained.
The settings for this register are effective only for the 144-pin version. There are no corresponding
pins for this register in the 112-pin and 120-pin versions. However, read/writes are possible.
Bit:
15
14
13
12
11
10
9
8
PD31
IOR
PD30
IOR
PD29
IOR
PD28
IOR
PD27
IOR
PD26
IOR
PD25
IOR
PD24
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:
76
5
4
3
2
1
0
PD23
IOR
PD22
IOR
PD21
IOR
PD20
IOR
PD19
IOR
PD18
IOR
PD17
IOR
PD16
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



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