R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 202
R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 7 Interrupt Controller
7.8
7.8.1
When an interrupt enable bit is cleared to 0 to mask the interrupt, the masking becomes effective
after execution of the instruction.
When an interrupt enable bit is cleared to 0 by an instruction such as BCLR or MOV, if an
interrupt is generated during execution of the instruction, the interrupt concerned will still be
enabled on completion of the instruction, and so interrupt exception handling for that interrupt will
be executed on completion of the instruction. However, if there is an interrupt request with priority
over that interrupt, interrupt exception handling will be executed for the interrupt with priority,
and another interrupt will be ignored. The same also applies when an interrupt source flag is
cleared to 0. Figure 7.7 shows an example in which the TCIEV bit in TIER of the TPU is cleared
to 0. The above conflict will not occur if an enable bit or interrupt source flag is cleared to 0 while
the interrupt is masked.
Similarly, when an interrupt is requested immediately before the DTC enable bit is changed to
activate the DTC, DTC activation and the interrupt exception handling by the CPU are both
executed. When changing the DTC enable bit, make sure that an interrupt is not requested.
Rev. 2.00 Sep. 24, 2008 Page 168 of 1468
REJ09B0412-0200
Pφ
Internal
address bus
Internal
write signal
TCIEV
TCFV
TCIV
interrupt signal
Usage Notes
Conflict between Interrupt Generation and Disabling
Figure 7.7 Conflict between Interrupt Generation and Disabling
TIER_0 write cycle by CPU
TIER_0 address
TCIV exception handling
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