DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 116

• 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: -

6.3.2
IRQCR is a 16-bit register that sets the input signal detection mode of the external interrupt input
pins IRQ0 to IRQ3.
Initial value:
Rev. 5.00 Mar. 06, 2009 Page 96 of 770
REJ09B0243-0500
Bit
15 to 8
7
6
5
4
R/W:
Bit:
R/W
IRQ Control Register (IRQCR)
15
0
-
Bit Name
⎯
IRQ31S
IRQ30S
IRQ21S
IRQ20S
R/W
14
0
-
R/W
13
0
-
Initial
Value
All 0
0
0
0
0
R/W
12
0
-
R/W
11
0
-
R/W
R/W
R/W
R/W
R/W
R/W
R/W
10
0
-
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
IRQ3 Sense Select
Set the interrupt request detection mode for pin IRQ3.
00: Interrupt request is detected at the low level of pin
01: Interrupt request is detected at the falling edge of
10: Interrupt request is detected at the rising edge of
11: Interrupt request is detected at both the falling and
IRQ2 Sense Select
Set the interrupt request detection mode for pin IRQ2.
00: Interrupt request is detected at the low level of pin
01: Interrupt request is detected at the falling edge of
10: Interrupt request is detected at the rising edge of
11: Interrupt request is detected at both the falling and
9
0
-
IRQ3
pin IRQ3
pin IRQ3
rising edges of pin IRQ3
IRQ2
pin IRQ2
pin IRQ2
rising edges of pin IRQ2
R/W
8
0
-
IRQ31S IRQ30S IRQ21S IRQ20S IRQ11S IRQ10S IRQ01S IRQ00S
R/W
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0