HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 199

• Manufacturer Part Number: HD64F2145BTE20
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of HD64F2145BTE20

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

Table 6.5 shows the pin states in an idle cycle.
Table 6.5
Pins
A23 to A0, IOS
D15 to D0
AS
RD
HWR, LWR
Address bus
HWR, LWR
Data bus
Pin States in Idle Cycle
RD
(a) No idle cycle insertion
T
1
Bus cycle A
Long output floating time
Figure 6.16 Examples of Idle Cycle Operation
T
2
T
3
Bus cycle B
T
1
T
2
Data collision
Pin State
Contents of immediately following bus cycle
High impedance
High
High
High
Address bus
HWR, LWR
Data bus
RD
Rev. 3.00 Mar 21, 2006 page 143 of 788
T
1
Bus cycle A
Section 6 Bus Controller (BSC)
T
(b) Idle cycle insertion
2
T
3
T
I
Bus cycle B
REJ09B0300-0300
T
1
T
2