DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 148
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3048BVX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 5 Interrupt Controller
In all of the setting conditions 1 to 3 and occurrence conditions 1 and 2 are generated, IRQbF
clears in error during ISR write for occurrence condition 2 and interrupt processing is not carried
out. However, if IRQbF flag reaches 0 between occurrence conditions 1 and 2, IRQbF flag does
not clear in error.
Rev. 3.00 Sep 27, 2006 page 120 of 872
REJ09B0325-0300
IRQaF
IRQbF
Occurrence conditions
1. When IRQaF = 1, for the IRQaF flag to clear, ISR register read is executed. Thereafter
2. IRQaF flag clear and IRQbF flag generation compete (IRQaF flag setting).
interrupt processing is carried out and IRQbF flag clears.
(The ISR read needed for IRQaF flag clear was at IRQbF = 0 but in the time taken for ISR
write, IRQbF = 1 was reached.)
Figure 5.9 IRQnF Flag When Interrupt Processing Is Not Conducted
Occurrence condition 1
Read
Read
1
1
Write
Write
0
1
Execution
IRQb
Occurrence condition 2
Clear in error
Read
Read
0
1
Write
Write
0
0
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