DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 136
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2238RTF6
Core Processor
H8S/2000
Core Size
16-Bit
Speed
6MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2238RTF6
HD64F2238RTF6
HD64F2238RTF6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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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.
Rev. 6.00 Mar. 18, 2010 Page 74 of 982
REJ09B0054-0600
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
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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