DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 821

• Manufacturer Part Number: DF2148BTE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BTE20

• 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-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148BTE20; HD64F2148BTE20

27.3.3
The bus timings are shown below.
Note: * AS and IOS are the same pin. The function is selected by the IOSE bit in SYSCR.
Bus Timing
A23 to A0,
IOS *
AS *
RD
(read)
D15 to D0
(read)
HWR, LWR
(write)
D15 to D0
(write)
Figure 27.11 Basic Bus Timing (Two-State Access)
t
CSD
t
AD
t
t
t
AS
AS
AS
T
t
t
1
t
RSD1
WRD2
WDD
t
ASD
t
ACC3
t
WSW1
t
ACC2
t
ASD
Rev. 3.00 Mar 21, 2006 page 765 of 788
T
t
2
WRD2
Section 27 Electrical Characteristics
t
RDS
t
WDH
t
t
AH
AH
t
RDH
t
RSD2
REJ09B0300-0300