YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 112
![KIT DEV EVAL H8S/2378 LCD](/photos/18/31/183139/mfg_ylcdrsk23781_sml.jpg)
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: 112 of 1208
- Download datasheet (8Mb)
Section 2 CPU
2.4.1
The H8S/2000 CPU has eight 32-bit general registers. These general registers are all functionally
alike and can be used as both address registers and data registers. When a general register is used
as a data register, it can be accessed as a 32-bit, 16-bit, or 8-bit register. Figure 2.7 illustrates the
usage of the general registers. When the general registers are used as 32-bit registers or address
registers, they are designated by the letters ER (ER0 to ER7).
When the general registers are used as 16-bit registers, the ER registers are divided into 16-bit
general registers designated by the letters E (E0 to E7) and R (R0 to R7). These registers are
functionally equivalent, providing a maximum sixteen 16-bit registers. The E registers (E0 to E7)
are also referred to as extended registers.
When the general registers are used as 8-bit registers, the R registers are divided into 8-bit general
registers designated by the letters RH (R0H to R7H) and RL (R0L to R7L). These registers are
functionally equivalent, providing a maximum sixteen 8-bit registers.
The usage of each register can be selected independently.
General register ER7 has the function of the stack pointer (SP) in addition to its general-register
function, and is used implicitly in exception handling and subroutine calls. Figure 2.8 shows the
stack.
Rev.7.00 Mar. 18, 2009 page 44 of 1136
REJ09B0109-0700
General Registers
• Address registers
• 32-bit registers
(ER0 to ER7)
ER registers
Figure 2.7 Usage of General Registers
E registers (extended registers)
• 16-bit registers
R registers
(R0 to R7)
(E0 to E7)
• 8-bit registers
(R0H to R7H)
(R0L to R7L)
RH registers
RL registers
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