DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 220

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, 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 V ~ 5.5 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: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148ATE20; HD64F2148ATE20

Section 6 Bus Controller
Rev. 4.00 Sep 27, 2006 page 174 of 1130
REJ09B0327-0400
AS/IOS (IOSE = 0)
Figure 6.14 (a) Example of Burst ROM Access Timing (when AST = BRSTS1 = 1)
Figure 6.14 (b) Example of Burst ROM Access Timing (when AST = BRSTS1 = 0)
Address bus
Data bus
AS/IOS (IOSE = 0)
RD
Address bus
Data bus
RD
T
1
Full access
T
2
T
1
Full access
Read data
Read data
T
3
T
2
T
Only lower address changed
1
Read data Read data
Only lower address changed
Read data
T
Burst access
1
T
Burst access
2
T
1
T
1
Read data
T
2