R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 68
R0K561622S000BE
Manufacturer Part Number
R0K561622S000BE
Description
KIT STARTER FOR H8SX/1622
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K561622S000BE
Contents
Board, Cables, CD, Debugger, Power Supply
Silicon Manufacturer
Renesas
Features
Coding And Debugging, E10A Emulator, RS232 Serial Connection
Kit Contents
Board
Silicon Family Name
H8SX/1622F
Silicon Core Number
R5F61622N50LGV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
H8SX/1622
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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Section 2 CPU
2.5.4
EXR is an 8-bit register that contains the trace bit (T) and three interrupt mask bits (I2 to I0).
Operations can be performed on the EXR bits by the LDC, STC, ANDC, ORC, and XORC
instructions.
For details, see section 5, Exception Handling.
Rev. 2.00 Sep. 16, 2009 Page 38 of 1036
REJ09B0414-0200
Bit
2
1
0
Bit
7
6 to 3
2
1
0
Bit Name
Z
V
C
Bit Name
T
—
I2
I1
I0
Extended Control Register (EXR)
Initial
Value
Undefined R/W
Undefined R/W
Undefined R/W
Initial
Value
0
All 1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Zero Flag
Set to 1 to indicate zero data, and cleared to 0 to
indicate non-zero data.
Overflow Flag
Set to 1 when an arithmetic overflow occurs, and
cleared to 0 otherwise.
Carry Flag
Set to 1 when a carry occurs, and cleared to 0
otherwise. A carry has the following types:
•
•
•
The carry flag is also used as a bit accumulator by bit
manipulation instructions.
Description
Trace Bit
When this bit is set to 1, a trace exception is generated
each time an instruction is executed. When this bit is
cleared to 0, instructions are executed in sequence.
Reserved
These bits are always read as 1.
Interrupt Mask Bits
These bits designate the interrupt mask level (0 to 7).
Carry from the result of addition
Borrow from the result of subtraction
Carry from the result of shift or rotation
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