HD64F36912GFH Renesas Electronics America, HD64F36912GFH Datasheet - Page 46
HD64F36912GFH
Manufacturer Part Number
HD64F36912GFH
Description
IC H8 MCU FLASH 8K 32-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.DF36912GFHV.pdf
(442 pages)
Specifications of HD64F36912GFH
Core Processor
H8/300H
Core Size
16-Bit
Speed
12MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1.5K 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
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F36912GFH
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 2 CPU
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 2.4 shows the
stack.
2.2.2
This 24-bit counter indicates the address of the next instruction the CPU will execute. The length
of all CPU instructions is 2 bytes (one word), so the least significant PC bit is ignored. (When an
instruction is fetched, the least significant PC bit is regarded as 0). The PC is initialized when the
start address is loaded by the vector address generated during reset exception-handling sequence.
2.2.3
This 8-bit register contains internal CPU status information, including an interrupt mask bit (I) and
half-carry (H), negative (N), zero (Z), overflow (V), and carry (C) flags. The I bit is initialized to 1
by reset exception-handling sequence, but other bits are not initialized.
Some instructions leave flag bits unchanged. Operations can be performed on the CCR bits by the
LDC, STC, ANDC, ORC, and XORC instructions. The N, Z, V, and C flags are used as branching
conditions for conditional branch (Bcc) instructions.
For the action of each instruction on the flag bits, see appendix A.1, Instruction List.
Rev. 3.00 Sep. 14, 2006 Page 16 of 408
REJ09B0105-0300
Program Counter (PC)
Condition-Code Register (CCR)
Figure 2.4 Relationship between Stack Pointer and Stack Area
SP (ER7)
Stack area
Free area
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