D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 177

• Manufacturer Part Number: D12321VF25V
• Description: IC H8S/2300 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
External bus control signals
CS0 to CS7
BREQ
BACK
BREQO
WAIT
External DRAM
signals*
Note: * Not supported in the H8S/2321.
Block Diagram
Figure 6.1 Block Diagram of Bus Controller
controller*
controller
DRAM
Wait
Area decoder
Bus arbiter
controller
Bus
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
Rev.6.00 Sep. 27, 2007 Page 145 of 1268
CPU bus request signal
DTC bus request signal
DMAC bus request signal*
CPU bus acknowledge signal
DTC bus acknowledge signal
DMAC bus acknowledge signal*
Section 6 Bus Controller
Internal control
signals
Bus mode signal
Internal
address bus
REJ09B0220-0600