DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 190

• Manufacturer Part Number: DF2505FC26V
• Description: IC H8S/2505 MCU FLASH 144QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2505FC26V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 7 Bus Controller
On-Chip IEB Module Access Timing (H8S/2552 Group Only): On-chip IEB module is
accessed in four states. At this time, the data bus width is 8 bits. Figure 7.10 shows on-chip IEB
module access timing, and figure 7.11 shows the pin states.
Rev. 6.00 Sep. 24, 2009 Page 142 of 928
REJ09B0099-0600
Figure 7.9 Pin States during On-Chip Port H, Port J, and IIC2 Module Access
φ
Internal address bus
Read
Write
φ
Address bus
AS
RD
HWR, LWR
Data bus
IEB read signal
Internal data bus
IEB write signal
Internal data bus
Figure 7.10 On-Chip IEB Module Access Cycle
T
1
T
1
Retained
High impedance
High
High
High
T
2
Bus cycle
T
2
Bus cycle
Address
Write data
T
3
T
3
T
4
Read data
T
4