DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 744

• 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: -

24.3.2
Table 24.5 shows the control signal timing.
Table 24.5 Control Signal Timing
Condition:
Item
RES setup time
RES pulse width
NMI setup time
NMI hold time
NMI pulse width
(exiting software standby
mode)
IRQ setup time
(IRQ0 to IRQ7, ExIRQ0 to
ExIRQ7)
IRQ hold time
(IRQ0 to IRQ7, ExIRQ0 to
ExIRQ7)
IRQ pulse width
(IRQ0 to IRQ7, ExIRQ0 to
ExIRQ7) (exiting software
standby mode)
Rev.2.00 May. 28, 2009 Page 704 of 732
REJ09B0059-0200
Control Signal Timing
V
CC
= 3.0 V to 3.6 V, V
Symbol
t
t
t
t
t
t
t
t
RESS
RESW
NMIS
NMIH
NMIW
IRQS
IRQH
IRQW
Figure 24.6 Reset Input Timing
SS
= 0 V, φ = 5 MHz to 20 MHz
Min.
200
20
150
10
200
150
10
200
t
RESS
t
RESW
Max.
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
t
RESS
Unit
ns
t
ns
cyc
Test
Conditions
Figure 24.6
Figure 24.7