HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 200

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 7 Bus Controller
7.1.2
Figure 7-1 shows a block diagram of the bus controller.
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Block Diagram
External bus control signals
Legend:
ABWCR: Bus width control register
ASTCR:
BCRH:
BCRL:
WCRH:
WCRL:
Access state control register
Bus control register H
Bus control register L
Wait control register H
Wait control register L
Figure 7-1 Block Diagram of Bus Controller
controller
Wait
Area decoder
Bus arbiter
controller
Bus
ABWCR
ASTCR
WCRH
WCRL
BCRH
BCRL
CPU bus request signal
DTC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
Internal control
signals
Bus mode signal
H8S/2639, H8S/2638, H8S/2636,
Internal
address bus
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
May 28, 2010