DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 152

• 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: -

16-Bit, 3-State Access Space:
Figures 6.10 to 6.12 show bus timings for a 16-bit, 3-state access space. When a 16-bit access
space is accessed, the upper half (D15 to D8) of the data bus is used for even addresses, and the
lower half (D7 to D0) for odd addresses. Wait states can be inserted.
Rev.2.00 May. 28, 2009 Page 112 of 732
REJ09B0059-0200
Read
Write
Note:
Figure 6.10 Bus Timing for 16-Bit, 3-State Access Space (Even Byte Access)
n = 1 to 3
Address bus
D15 to D8
D7 to D0
D15 to D8
D7 to D0
T
1
Bus cycle
High
Undefined
T
2
Valid
T
3
Invalid
Valid