HD64F3029XBL25V Renesas Electronics America, HD64F3029XBL25V Datasheet - Page 144

• Manufacturer Part Number: HD64F3029XBL25V
• Description: MCU 5V 512K,PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3029XBL25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K 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: Lead free / RoHS Compliant
• Eeprom Size: -

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
Legend
ABWCR
ASTCR
WCRH
WCRL
BRCR
CSCR
DRCRA
DRCRB
RTMCSR
RTCNT
RTCOR
ADRCR
BCR
Internal address bus
CPU bus request signal
DMAC bus request signal
DRAM interface bus request signal
CPU bus acknowledge signal
DMAC bus acknowledge signal
DRAM interface bus acknowledge signal
Block Diagram
: Bus width control register
: Access state control register
: Wait control register H
: Wait control register L
: Bus release control register
: Chip select control register
: DRAM control register A
: DRAM control register B
: Refresh timer control/status register
: Refresh timer counter
: Refresh time constant register
: Address control register
: Bus control register
Internal signals
decoder
Figure 6.1 Block Diagram of Bus Controller
DRAM control
Area
control signals
Chip select
0
to
7
DRAM interface
Bus control
Wait state
controller
Bus arbiter
circuit
RTMCSR
ABWCR
DRCRA
DRCRB
RTCOR
ADRCR
RTCNT
ASTCR
WCRH
CSCR
WCRL
BRCR
BCR
Rev. 2.0, 06/04, page 115 of 980
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
Internal signals