YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 109
YLCDRSK2378
Manufacturer Part Number
YLCDRSK2378
Description
KIT DEV EVAL H8S/2378 LCD
Manufacturer
Renesas Electronics America
Series
H8®r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of YLCDRSK2378
Main Purpose
Displays, LCD Controller
Embedded
Yes, MCU, 16-Bit
Utilized Ic / Part
YLCDRSK2378
Primary Attributes
5.7" QVGA, Touch Screen
Secondary Attributes
Source Code on CD, Debugging Requires Emulator Cable E10A USB/JTAG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 109 of 1208
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• Stack structure
The memory indirect addressing mode (@@aa:8) employed in the JMP and JSR instructions
uses an 8-bit absolute address included in the instruction code to specify a memory operand
that contains a branch address. In advanced mode, the operand is a 32-bit longword operand,
providing a 32-bit branch address. The upper 8 bits of these 32 bits are a reserved area that is
regarded as H'00. Branch addresses can be stored in the area from H'00000000 to H'000000FF.
Note that the top area of this range is also used for the exception vector table.
In advanced mode, when the program counter (PC) is pushed onto the stack in a subroutine
call, and the PC, condition-code register (CCR), and extended control register (EXR) are
pushed onto the stack in exception handling, they are stored as shown in figure 2.4. EXR is not
pushed onto the stack in interrupt control mode 0. For details, see section 4, Exception
Handling.
SP
Notes: 1. When EXR is not used, it is not stored on the stack.
2. SP when EXR is not used.
3. Ignored when returning.
(a) Subroutine Branch
Figure 2.4 Stack Structure in Advanced Mode
Reserved
(24 bits)
PC
(SP
SP
*
2
Rev.7.00 Mar. 18, 2009 page 41 of 1136
)
(b) Exception Handling
(24 bits)
EXR *
Reserved *
CCR
PC
1
1
REJ09B0109-0700
*
3
Section 2 CPU
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