DF2212CUNP24V Renesas Electronics America, DF2212CUNP24V Datasheet - Page 143
![MCU 16BIT FLASH 3V 128K 64-QFN](/photos/28/61/286186/64-vfqfn_sml.jpg)
DF2212CUNP24V
Manufacturer Part Number
DF2212CUNP24V
Description
MCU 16BIT FLASH 3V 128K 64-QFN
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2218UTF24V.pdf
(758 pages)
Specifications of DF2212CUNP24V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
24MHz
Connectivity
SCI, SmartCard, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
37
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 6x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2212CUNP24V
Manufacturer:
Renesas Electronics America
Quantity:
135
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4.4
Traces are enabled in interrupt control mode 2. Trace mode is not activated in interrupt control
mode 0, irrespective of the state of the T bit. For details of interrupt control modes, see section 5,
Interrupt Controller.
If the T bit in EXR is set to 1, trace mode is activated. In trace mode, a trace exception occurs on
completion of each instruction. Trace mode is not affected by interrupt masking. Table 4.4 shows
the state of CCR and EXR after execution of trace exception handling. Trace mode is canceled by
clearing the T bit in EXR to 0. The T bit saved on the stack retains its value of 1, and when control
is returned from the trace exception handling routine by the RTE instruction, trace mode resumes.
Trace exception handling is not carried out after execution of the RTE instruction.
Interrupts are accepted even within the trace exception handling routine.
Table 4.4
Legend:
1: Set to 1
0: Cleared to 0
–: Retains value prior to execution.
4.5
Interrupts are controlled by the interrupt controller. The interrupt controller has two interrupt
control modes and can assign interrupts other than NMI to eight priority/mask levels to enable
multiplexed interrupt control. The source to start interrupt exception handling and the vector
address differ depending on the product. For details, refer to section 5, Interrupt Controller.
The interrupt exception handling is as follows:
1. The values in the program counter (PC), condition code register (CCR), and extended control
2. The interrupt mask bit is updated and the T bit is cleared.
3. A vector address corresponding to the interrupt source is generated, the start address is loaded
Interrupt Control Mode
0
2
register (EXR) are saved in the stack.
from the vector table to the PC, and program execution starts from that address.
Traces
Interrupts
Status of CCR and EXR after Trace Exception Handling
I
1
Trace exception handling cannot be used.
CCR
UI
–
Rev.7.00 Dec. 24, 2008 Page 87 of 698
I2 to I0
–
EXR
REJ09B0074-0700
T
0
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