HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 150

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 6 Bus Controller
6.1.2
Figure 6.1 shows a block diagram of the bus controller.
Rev. 2.00 Sep 20, 2005 page 110 of 800
REJ09B0260-0200
Legend:
ABWCR:
ASTCR:
WCRH:
WCRL:
BRCR:
CSCR:
ADRCR:
BCR:
Internal address bus
CPU bus request signal
CPU bus acknowledge signal
Block Diagram
WAIT
Bus width control register
Access state control register
Wait control register H
Wait control register L
Bus release control register
Chip select control register
Address control register
Bus control register
Internal signals
decoder
Area
Figure 6.1 Block Diagram of Bus Controller
control signals
Chip select
CS
0
to CS
7
Bus control
Wait state
controller
Bus arbiter
circuit
ABWCR
ADRCR
ASTCR
WCRH
WCRL
CSCR
BRCR
BCR
BACK
BREQ
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
Internal signals