DF2398F20V Renesas Electronics America, DF2398F20V Datasheet - Page 400

• Manufacturer Part Number: DF2398F20V
• Description: IC H8S/2300 MCU FLASH 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398F20V

• 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: 128-QFP
• For Use With: YR0K42378FC000BA - KIT EVAL FOR H8S/2378
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.3.2
Registers other than TCNT and TGR are 8-bit. As the data bus to the CPU is 16 bits wide, these registers can be read and
written to in 16-bit units. They can also be read and written to in 8-bit units.
Examples of 8-bit register access operation are shown in figures 10-3 to 10-5.
Rev.6.00 Oct.28.2004 page 370 of 1016
REJ09B0138-0600H
8-Bit Registers
Bus
master
Bus
master
Figure 10-5 8-Bit Register Access Operation [Bus Master
Bus
master
Figure 10-4 8-Bit Register Access Operation [Bus Master
Figure 10-3 8-Bit Register Access Operation [Bus Master
Internal data bus
Internal data bus
Internal data bus
H
H
L
H
L
L
Bus interface
Bus interface
Bus interface
TCR
TCR
TCR and TMDR (16 Bits)]
TMDR (Lower 8 Bits)]
TCR (Upper 8 Bits)]
TMDR
TMDR
Module
data bus
Module
data bus
Module
data bus