HD64F3672FXV Renesas Electronics America, HD64F3672FXV Datasheet - Page 25
HD64F3672FXV
Manufacturer Part Number
HD64F3672FXV
Description
IC H8/3672 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheets
1.DF36912GFHV.pdf
(277 pages)
2.DF36012GFYV.pdf
(1021 pages)
3.HD64F3672FXV.pdf
(334 pages)
Specifications of HD64F3672FXV
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
26
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
48-LQFP
For Use With
R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 1 CPU
1.4.2
General Registers
The H8/300H CPU has eight 32-bit general registers. These general registers are all functionally
alike and can be used without distinction between data registers and address 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 as 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 1.8 illustrates the usage of the general registers. The usage of each register can be selected
independently.
Address registers
• 32-bit registers
• 16-bit registers
• 8-bit registers
E registers (extended registers)
(E0 to E7)
RH registers
ER registers
(R0H to R7H)
(ER0 to ER7)
R registers
(R0 to R7)
RL registers
(R0L to R7L)
Figure 1.8 Usage of General Registers
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 1.9 shows the
stack.
Rev. 3.00 Dec 13, 2004 page 9 of 258
REJ09B0213-0300
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