M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 457

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Appendix 3. Control registers
The register structure of each control register assignment in the SFR area are shown on the following pages.
The view of the register structure is described below.
1
2
3
b7
b6
b5
Blank
0
Undefined
0
1
1
RW
RO
WO
—
b4
b3
0
b2
: Set to “0” or “1” to meet the purpose.
: Set to “0” at writing.
: Set to “1” at writing.
: This bit is not used in the specific mode or state. It may be either “0” or “1.”
: Nothing is assigned.
: It is possible to read the bit state at reading. The written value becomes valid data.
: It is possible to read the bit state at reading. The written value becomes invalid. Accordingly, the written
: The written value becomes valid data. It is impossible to read the bit state. The value is undefined at
:
It is impossible to read the bit state. The value is undefined at reading. However, the bit with the
reading. However, the bit with the commentaries of “The value is “0” at reading” in the functions column
reading.(See 4 above.)
or the notes is always “0” at reading.(See
commentaries of “The value is “0” at reading” in the functions column or the notes is always “0” at
The written value becomes invalid. Accordingly, the written value may be “0” or “1.”
value may be either “0” or “1.”
b1
: “0” immediately after a reset.
: “1” immediately after a reset.
: Undefined immediately after a reset.
b0
XXX register (Address XX
7 to 5 Nothing is assigned.
Bit
0
1
2
3
4
1
... flag
Fix this bit to “0.”
This bit is ignored in ... mode.
... select bit
... select bit
7702/7703 Group User’s Manual
Bit name
16
)
4 above.)
0 : ...
1 : ...
0 : ...
1 : ...
The value is “0” at reading.
0 : ...
1 : ...
Functions
Appendix 3. Control registers
4
2
APPENDIX
Undefined
Undefined
At reset
0
0
0
0
RW
RW
WO
RW
RW
RO
–
21–11
3