DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 106

• Manufacturer Part Number: DF2437FV
• Description: IC H8S/2437 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2400r

Specifications of DF2437FV

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

A block diagram of the interrupt controller is shown in figure 5.1.
Rev.2.00 May. 28, 2009 Page 66 of 732
REJ09B0059-0200
NMI input
IRQ input
Internal
interrupt
sources
WOVI to
IICI3
INTCR: Interrupt control register
[Legend]
ISCR:
IER:
ISR:
IPR:
INTCR
Interrupt controller
Figure 5.1 Block Diagram of Interrupt Controller
IRQ sense control register
IRQ enable register
IRQ status register
Interrupt priority register
ISCR
IRQ input unit
NMI input unit
NMIEG
INTM1, INTM0
ISR
IER
determination
Priority
IPR
Interrupt
request
Vector
number
I2 to I0
I
CPU
CCR
EXR