HD64F3694FY Renesas Electronics America, HD64F3694FY Datasheet - Page 81

• Manufacturer Part Number: HD64F3694FY
• Description: IC H8 MCU FLASH 32K 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3694FY

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: PWM, WDT
• Number Of I /o: 29
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

3.2
Interrupts are controlled by the following registers.
3.2.1
IEGR1 selects the direction of an edge that generates interrupt requests of pins NMI and IRQ3 to
IRQ0.
Bit
7
6 to 4
3
2
1
0
Interrupt edge select register 1 (IEGR1)
Interrupt edge select register 2 (IEGR2)
Interrupt enable register 1 (IENR1)
Interrupt flag register 1 (IRR1)
Wakeup interrupt flag register (IWPR)
Bit Name
NMIEG
IEG3
IEG2
IEG1
IEG0
Register Descriptions
Interrupt Edge Select Register 1 (IEGR1)
Initial
Value
0
All 1
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Description
NMI Edge Select
0: Falling edge of NMI pin input is detected
1: Rising edge of NMI pin input is detected
Reserved
These bits are always read as 1.
IRQ3 Edge Select
0: Falling edge of IRQ3 pin input is detected
1: Rising edge of IRQ3 pin input is detected
IRQ2 Edge Select
0: Falling edge of IRQ2 pin input is detected
1: Rising edge of IRQ2 pin input is detected
IRQ1 Edge Select
0: Falling edge of IRQ1 pin input is detected
1: Rising edge of IRQ1 pin input is detected
IRQ0 Edge Select
0: Falling edge of IRQ0 pin input is detected
1: Rising edge of IRQ0 pin input is detected
Rev.5.00 Nov. 02, 2005 Page 51 of 418
Section 3 Exception Handling
REJ09B0028-0500