HD6413007F20 Renesas Electronics America, HD6413007F20 Datasheet - Page 211

• Manufacturer Part Number: HD6413007F20
• Description: IC H8 MCU ROMLESS 5V 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD6413007F20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 35
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 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: -
• Program Memory Size: -

A setting whereby idle cycle insertion is not performed can be made only when RD and CSn do
not change simultaneously, or when it does not matter if they do.
6.9.2
Table 6.11 shows the pin states in an idle cycle.
Table 6.11 Pin States in Idle Cycle
Pins
A
D
CS
UCAS, LCAS
AS
RD
HWR
LWR
Note:
23
15
Address bus
n
to A
to D
0
0
* Remains low in DRAM space RAS down mode.
CSn
Pin States in Idle Cycle
RD
φ
Simultaneous change of RD and CSn
Possibility of mutual overlap
(a) Idle cycle not inserted
T
Bus cycle A
1
T
Figure 6.45 Example of Idle Cycle Operation (5)
2
T
3
Bus cycle B
T
1
T
2
Pin State
Next cycle address value
High impedance
High*
High
High
High
High
High
Address bus
Rev.5.00 Sep. 12, 2007 Page 181 of 764
CSn
RD
φ
T
Bus cycle A
1
(b) Idle cycle inserted
T
2
T
3
REJ09B0396-0500
6. Bus Controller
Bus cycle B
T
i
T
1
T
2