DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 125

• 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: -

Figure 5.4 Flowchart of Procedure Up to Interrupt Acceptance
Level 7 interrupt?
Mask level 6
or below?
Yes
Yes
in Interrupt Control Mode 2
No
No
Yes
Branch to interrupt handling routine
Program execution status
Save PC, CCR, and EXR
Read vector address
Interrupt generated?
Update mask level
Level 6 interrupt?
Clear T bit to 0
Mask level 5
or below?
NMI
Yes
No
Yes
Yes
No
No
No
Rev.2.00 May. 28, 2009 Page 85 of 732
Level 1 interrupt?
Mask level 0?
pending
Hold
Yes
Yes
REJ09B0059-0200
No
No