DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 135

• Manufacturer Part Number: DF2398TE20
• Description: IC H8S MCU FLASH 256K 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 120-TQFP, 120-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2398TE20; HD64F2398TE20

6.1.2
Figure 6-1 shows a block diagram of the bus controller.
Block Diagram
External bus control signals
CS0 to CS7
BREQ
BACK
BREQO
WAIT
External DRAM
signals
Figure 6-1 Block Diagram of Bus Controller
Wait controller
DRAM controller
Bus controller
Area decoder
Bus arbiter
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
CPU bus request signal
DTC bus request signal
DMAC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
DMAC bus acknowledge signal
Rev.6.00 Oct.28.2004 page 105 of 1016
Internal control
signals
Bus mode signal
Internal
address bus
REJ09B0138-0600H