HD64F3067RF20 Renesas Electronics America, HD64F3067RF20 Datasheet - Page 145

• Manufacturer Part Number: HD64F3067RF20
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3067RF20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Package: 100PQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 70
• Interface Type: SCI
• On-chip Adc: 8-chx10-bit
• On-chip Dac: 2-chx8-bit
• Number Of Timers: 7
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
Note: * This register is provided only in the flash memory R version and mask ROM versions.
Legend
BCR
Block Diagram
ABWCR
ASTCR
WCRH
WCRL
BRCR
CSCR
DRCRA
DRCRB
RTMCSR
RTCNT
RTCOR
ADRCR* : Address control register
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
: 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
: Bus control register
WAIT
Internal signals
Figure 6.1 Block Diagram of Bus Controller
decoder
DRAM control
Area
control signals
Chip select
CS
0
to CS
7
DRAM interface
Bus control
Wait state
controller
Bus arbiter
circuit
RTMCSR
ABWCR
DRCRA
DRCRB
RTCOR
ADRCR
RTCNT
ASTCR
WCRH
WCRL
CSCR
BRCR
BCR
Rev. 4.00 Jan 26, 2006 page 121 of 938
BACK
BREQ
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
Section 6 Bus Controller
Internal signals
REJ09B0276-0400