DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 1021

• 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

Figure A.1 shows timing waveforms for the address bus and the RD, HWR, and LWR signals
during execution of the above instruction with an 8-bit bus, using three-state access with no wait
states.
Address bus
RD
HWR, LWR
Fetching 3rd byte
of instruction
Figure A.1 Address Bus, RD
(8-Bit Bus, Three-State Access, No Wait States)
R:W 2nd
Fetching 4th byte
of instruction
RD, HWR
RD
RD
High level
operation
Internal
HWR, and LWR
HWR
HWR
Rev. 4.00 Sep 27, 2006 page 975 of 1130
Fetching 1st byte
instruction
of branch
LWR Timing
LWR
LWR
R:W EA
Appendix A Instruction Set
Fetching 2nd byte
instruction
of branch
REJ09B0327-0400