DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 157

• 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 Data Access Space:
Figure 6.15 shows the bus timing for an 8-bit, 3-state access space. When an 8-bit access space is
accessed, the upper half (AD15 to AD8) of the address bus and the data bus are used. Wait states
can be inserted.
Note:
AD15 to AD8
Figure 6.15 Bus Timing for 8-Bit, 3-State Data Access Space (With Address Wait)
n = 1 to 3
T
1
Address
Address
T
AW
Read Cycle
T
2
T
3
Data
T
4
T
DSW
T
Data
5
T
1
Rev.2.00 May. 28, 2009 Page 117 of 732
Address
Address
T
AW
Write Cycle
T
2
T
3
T
4
REJ09B0059-0200
Data
Data
T
DSW
T
5