DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 741

• 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
Figure 24.2 shows the test conditions for the AC characteristics.
24.3.1
Table 24.4 shows the clock timing. The clock timing specified here covers oscillation stabilization
times for clock output (φ), clock pulse generator (crystal), and external clock input (EXTAL pin).
For details on external clock input (EXTAL pin and EXCL pin) timing, see section 21, Clock
Pulse Generator.
AC Characteristics
Clock Timing
Figure 24.1 Darlington Transistor Drive Circuit (Example)
LSI output pin
IOL = 1.6 A, IOH = 200 A
VT = 1.5 V
CL = 30 pF (The CL value includes capacitance of measuring jigs.)
This LSI
Figure 24.2 Output Load Circuit
Port
C
L
I
I
OH
OL
2 kΩ
Darlington transistor
I/O reference level: 1.5 V
Rev.2.00 May. 28, 2009 Page 701 of 732
V
T
REJ09B0059-0200