DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 131

• 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: -

5.2.4
IER is an 8-bit readable/writable register that enables or disables IRQ
IER is initialized to H'00 by a reset and in hardware standby mode.
Bits 7 and 6—Reserved: These bits can be written and read, but they do not enable or disable
interrupts.
Bits 5 to 0—IRQ
IRQ
Bits 5 to 0:
IRQ5E to IRQ0E
0
1
Bit
Initial value
Read/Write
0
interrupts.
IRQ Enable Register (IER)
5
R/W
Reserved bits
to IRQ
7
0
Description
IRQ
IRQ
5
5
to IRQ
to IRQ
0
Enable (IRQ5E to IRQ0E): These bits enable or disable IRQ
R/W
6
0
0
0
interrupts are disabled
interrupts are enabled
IRQ5E
R/W
5
0
IRQ to IRQ enable
These bits enable or disable IRQ to IRQ interrupts
IRQ4E
R/W
4
0
5
IRQ3E
Rev. 3.00 Sep 27, 2006 page 103 of 872
R/W
0
3
0
IRQ2E
R/W
Section 5 Interrupt Controller
0
2
0
to IRQ
IRQ1E
5
R/W
5
interrupt requests.
1
0
REJ09B0325-0300
(Initial value)
IRQ0E
0
R/W
0
0
5
to