HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 38
HD6473228F10V
Manufacturer Part Number
HD6473228F10V
Description
MCU 5V 32K,PB-FREE 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/325r
Datasheet
1.HD6413238F10.pdf
(301 pages)
Specifications of HD6473228F10V
Core Processor
H8/300
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI, UART/USART
Number Of I /o
53
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473228F10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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3.2.2 Control Registers
The CPU control registers include a 16-bit program counter (PC) and an 8-bit condition code
register (CCR).
(1) Program Counter (PC): This 16-bit register indicates the address of the next instruction the
CPU will execute. Each instruction is accessed in 16 bits (1 word), so the least significant bit of the
PC is ignored (always regarded as 0).
(2) Condition Code Register (CCR): This 8-bit register contains internal status information,
including carry (C), overflow (V), zero (Z), negative (N), and half-carry (H) flags and the interrupt
mask bit (I).
Bit 7—Interrupt Mask Bit (I): When this bit is set to “1,” all interrupts except NMI are masked.
This bit is set to “1” automatically by a reset and at the start of interrupt handling.
Bit 6—User Bit (U): This bit can be written and read by software for its own purposes.
Bit 5—Half-Carry (H): This bit is set to “1” when the ADD.B, ADDX.B, SUB.B, SUBX.B,
NEG.B, or CMP.B instruction causes a carry or borrow out of bit 3, and is cleared to “0” otherwise.
Similarly, it is set to “1” when the ADD.W, SUB.W, or CMP.W instruction causes a carry or borrow
out of bit 11, and cleared to “0” otherwise. It is used implicitly in the DAA and DAS instructions.
Bit 4—User Bit (U): This bit can be written and read by software for its own purposes.
Bit 3—Negative (N): This bit indicates the most significant bit (sign bit) of the result of an
instruction.
(R7)
SP
Figure 3-2. Stack Pointer
29
Unused area
Stack area
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