Siusc_2 (0X0C00 0007); Siuirsel_2 (0X0C00 0008) - NEC VR4181 mPD30181 User Manual

64-/32-bit microprocessor hardware
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20.3.12 SIUSC_2 (0x0C00 0007)

Bit
7
Name
SCR7
R/W
R/W
RTCRST
Undefined
Other resets
Undefined
Bit
Name
7 to 0
SCR(7:0)
This register is a readable/writable 8-bit register, and can be used freely by users.
It does not affect control of the SIU2.

20.3.13 SIUIRSEL_2 (0x0C00 0008)

Bit
7
Name
Reserved
R/W
R
RTCRST
0
Other resets
0
Bit
Name
7, 6
Reserved
5
Reserved
4
Reserved
3, 2
Reserved
1
Reserved
0
SIRSEL
This register is used to set the SIU2's communication format (IrDA or RS-232-C).
To use the IrDA format, an external IrDA module must be connected.
CHAPTER 20 SERIAL INTERFACE UNIT 2 (SIU2)
6
5
SCR6
SCR5
R/W
R/W
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
General-purpose data
6
5
Reserved
Reserved
Reserved
R
R/W
0
0
0
0
0 is returned when read
Write 0 when write. 0 is returned when read.
0 is returned when read
Write 0 when write. 0 is returned when read.
0 is returned when read
Selects communication format
1 : IrDA
0 : RS-232-C
User's Manual U14272EJ3V0UM
4
3
SCR4
SCR3
SCR2
R/W
R/W
Undefined
Undefined
Undefined
Undefined
Function
4
3
Reserved
Reserved
R
R/W
0
0
0
0
Function
2
1
SCR1
SCR0
R/W
R/W
R/W
Undefined
Undefined
Undefined
Undefined
2
1
Reserved
SIRSEL
R/W
R
R/W
0
0
0
0
0
0
0
0
395

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