R4F24568NVFQV Renesas Electronics America, R4F24568NVFQV Datasheet - Page 87
R4F24568NVFQV
Manufacturer Part Number
R4F24568NVFQV
Description
MCU 128KKB FLASH 48K 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of R4F24568NVFQV
Core Processor
H8S/2600
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SSU, UART/USART, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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H8S/2456, H8S/2456R, H8S/2454 Group
2.4.4
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.
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.
REJ09B0467-0350 Rev. 3.50
Jul 07, 2010
Bit
7
6
5
4
3
Condition-Code Register (CCR)
Bit Name
I
UI
H
U
N
Initial Value
1
Undefined
Undefined
Undefined
Undefined
R/W
R/W
R/W
R/W
R/W
R/W
Description
Interrupt Mask Bit
Masks interrupts other than NMI when set to 1.
NMI is accepted regardless of the I bit setting.
The I bit is set to 1 by hardware at the start of an
exception-handling sequence. For details, see
section 5, Interrupt Controller.
User Bit or Interrupt Mask Bit
Can be written and read by software using the
LDC, STC, ANDC, ORC, and XORC
instructions. This bit cannot be used as an
interrupt mask bit in this LSI.
Half-Carry Flag
When the ADD.B, ADDX.B, SUB.B, SUBX.B,
CMP.B, or NEG.B instruction is executed, this
flag is set to 1 if there is a carry or borrow at bit
3, and cleared to 0 otherwise. When the ADD.W,
SUB.W, CMP.W, or NEG.W instruction is
executed, the H flag is set to 1 if there is a carry
or borrow at bit 11, and cleared to 0 otherwise.
When the ADD.L, SUB.L, CMP.L, or NEG.L
instruction is executed, the H flag is set to 1 if
there is a carry or borrow at bit 27, and cleared
to 0 otherwise.
User Bit
Can be written and read by software using the
LDC, STC, ANDC, ORC, and XORC
instructions.
Negative Flag
Stores the value of the most significant bit of
data as a sign bit.
Page 57 of 1392
Section 2 CPU
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