DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 148

• 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: -

8-Bit, 3-State Access Space:
Figure 6.6 shows the bus timing for an 8-bit, 3-state access space. When an 8-bit access space is
accessed, the upper half (D15 to D8) of the data bus is used. Wait states can be inserted.
Rev.2.00 May. 28, 2009 Page 108 of 732
REJ09B0059-0200
Note:
Read
Write
n = 1 to 3
Address bus
D15 to D8
D7 to D0
D15 to D8
Figure 6.6 Bus Timing for 8-Bit, 3-State Access Space
T
1
Bus cycle
T
2
Valid
T
3
Invalid
Valid