R0K561668S000BE Renesas Electronics America, R0K561668S000BE Datasheet - Page 61

• Manufacturer Part Number: R0K561668S000BE
• Description: KIT STARTER FOR H8SX/1668
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of R0K561668S000BE

• For Use With/related Products: H8SX/1668
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Contents: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

1.8.11
This mode can be used by the JMP and JSR instructions. The operand value is a branch address,
which is the contents of a memory location pointed to by the following operation result: the sum
of 7-bit data in the instruction code and the value of H'80 is multiplied by 2 or 4.
The address range to store a branch address is H'0100 to H'01FF in normal mode and H'000200 to
H'0003FF in other modes. In assembler notation, an address to store a branch address is specified.
In normal mode, the memory location is pointed to by word-size data and the branch address is 16
bits long. In other modes, the memory location is pointed to by longword-size data. In middle or
advanced mode, the first byte of the longword-size data is assumed to be all 0 (H'00).
1.8.12
Tables 1.14 and 1.15 show how effective addresses are calculated in each addressing mode. The
lower bits of the effective address are valid and the upper bits are ignored (zero extended or sign
extended) according to the CPU operating mode.
The valid bits in middle mode are as follows:
• The lower 16 bits of the effective address are valid and the upper 16 bits are sign-extended for
• The lower 24 bits of the effective address are valid and the upper eight bits are zero-extended
the transfer and operation instructions.
for the branch instructions.
Extended Memory Indirect—@@vec:7
Effective Address Calculation
Specified
by @aa:8
Figure 1.15 Branch Address Specification in Memory Indirect Mode
(a) Normal Mode
Branch address
Specified
by @aa:8
Rev. 4.00 Sep. 18, 2008 Page 43 of 914
(b) Advanced Mode
Branch address
Reserved
REJ09B0102-0400
Section 1 CPU