DF2317VTE25 Renesas Electronics America, DF2317VTE25 Datasheet - Page 69
DF2317VTE25
Manufacturer Part Number
DF2317VTE25
Description
MCU 3V 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.D12312SVTE25V.pdf
(1146 pages)
Specifications of DF2317VTE25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
79
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2317VTE25
HD64F2317VTE25
HD64F2317VTE25
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2.4.2
The 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. When the general registers are used
as 32-bit registers or address registers, they are designated by the letters ER (ER0 to ER7).
The ER registers divide 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.
The R registers divide 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.
Figure 2.5 illustrates the usage of the general registers. The usage of each register can be selected
independently.
General register ER7 has the function of stack pointer (SP) in addition to its general-register
function, and is used implicitly in exception handling and subroutine calls. Figure 2.6 shows the
stack.
• Address registers
• 32-bit registers
(ER0 to ER7)
ER registers
General Registers
Figure 2.5 Usage of General Registers
E registers (extended registers)
• 16-bit registers
R registers
(R0 to R7)
(E0 to E7)
Rev.7.00 Feb. 14, 2007 page 35 of 1108
• 8-bit registers
(R0H to R7H)
(R0L to R7L)
RH registers
RL registers
REJ09B0089-0700
Section 2 CPU
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