DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 120

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

Specifications of DF71251AD50FPV

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Rev. 5.00 Mar. 06, 2009 Page 100 of 770
REJ09B0243-0500
Bit
2
1
Bit Name
IRQ2F
IRQ1F
Initial
Value
0
0
R/W
R/W
R/W
Description
Indicates the status of an IRQ2 interrupt request.
•
0: An IRQ2 interrupt has not been detected
1: An IRQ2 interrupt has been detected
•
0: An IRQ2 interrupt has not been detected
1: An IRQ2 interrupt request has been detected
Indicates the status of an IRQ1 interrupt request.
•
0: An IRQ1 interrupt has not been detected
1: An IRQ1 interrupt has been detected
•
0: An IRQ1 interrupt has not been detected
1: An IRQ1 interrupt request has been detected
When level detection mode is selected
[Clearing condition]
Driving pin IRQ2 high
[Setting condition]
Driving pin IRQ2 low
When edge detection mode is selected
[Clearing conditions]
⎯ Writing 0 after reading IRQ2F = 1
⎯ Accepting an IRQ2 interrupt
[Setting condition]
Detecting the specified edge of pin IRQ2
When level detection mode is selected
[Clearing condition]
Driving pin IRQ1 high
[Setting condition]
Driving pin IRQ1 low
When edge detection mode is selected
[Clearing conditions]
⎯ Writing 0 after reading IRQ1F = 1
⎯ Accepting an IRQ1 interrupt
[Setting condition]
Detecting the specified edge of pin IRQ1