DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 172

• 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
Figure 7.1 shows a block diagram of the bus controller.
Rev. 6.00 Sep. 24, 2009 Page 124 of 928
REJ09B0099-0600
Chip select signal
External bus control signal
BREQ
BACK
WAIT
Legend:
ABWCR: Bus width control register
ASTCR: Access state control register
WCRH, WCRL: Wait control registers H, L
BCRH, BCRL:
Figure 7.1 Block Diagram of Bus Controller
Bus control registers H, L
controller
Wait
Area decoder
Bus arbiter
controller
Bus
ABWCR
ASTCR
WCRH
WCRL
BCRH
BCRL
CPU bus mastership request signal
DTC bus mastership request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
Internal control
signal
Bus mode signal
Internal
address bus