HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 84
HD64F2676VFC33
Manufacturer Part Number
HD64F2676VFC33
Description
IC H8S MCU FLASH 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2676VFC33
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 2 CPU
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.
Bit
7
6
5
4
3
Rev. 3.00 Mar 17, 2006 page 32 of 926
REJ09B0283-0300
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, refer to
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.
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