DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 338

• Manufacturer Part Number: DF2148BFA20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BFA20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: PWM, WDT
• Number Of I /o: 74
• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148BFA20; HD64F2148BFA20

Section 4 Basic Timing
Rev. 4.00 Feb 24, 2006 page 322 of 322
REJ09B0139-0400
Address bus
Data bus
Address bus
AS
HWR, LWR
Data bus
AS
HWR, LWR
Figure 4.6 External Device Access Timing (Write Timing)
T1
T1
(b) Three-State Access
(a) Two-State Access
Write cycle
Address
Write data
Write cycle
Address
T2
T2
Write data
T3