HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 182

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 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: -

Section 6 Bus Controller
Pin Wait Insertion: Setting the WAITE bit in BCR to 1 enables wait insertion by means of the
W A I T
W A I T
the
This is useful when inserting four or more T
for different external devices.
The WAITE bit setting applies to all areas.
Figure 6.16 shows an example of the timing for insertion of one program wait state in 3-state
space.
Rev. 2.00 Sep 20, 2005 page 142 of 800
REJ09B0260-0200
W A I T
pin. When external space is accessed in this state, a program wait is first inserted. If the
pin is low at the falling edge of in the last T
pin is held low, T
Read access
Write access
Figure 6.16 Example of Wait State Insertion Timing
Address bus
Note:
HWR, LWR
W
Data bus
Data bus
states are inserted until it goes high.
WAIT
RD
indicates the timing of WAIT pin sampling.
AS
T
W
1
states, or when changing the number of T
Inserted
by program wait Inserted by WAIT pin
T
2
2
or T
T
W
w
Write data
state, another T
T
w
T
w
Read data
W
state is inserted. If
T
3
W
states